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Finding the Fourth Proportional to 8,700.96, 11,999.92 and 6,054.69

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Solution

The fourth proportional to 8,700.96, 11,999.92 and 6,054.69 is: 8,350.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,700.96 : 11,999.92 = 6,054.69 : x
  2. Step 2: Convert to fraction form
    8,700.96/11,999.92 = 6,054.69/x
  3. Step 3: Cross multiply
    8,700.96x = 11,999.92 × 6,054.69
  4. Step 4: Simplify right side
    8,700.96x = 72,655,795.62
  5. Step 5: Solve for x
    x = 72,655,795.62/8,700.96
  6. Step 6: Final answer
    x = 8,350.32

Related Problems

Find fourth proportional to 4,350.48, 5,999.96 and 3,027.35
Half scale
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Double scale
Find fourth proportional to 8,701.96, 12,001.30 and 6,055.69
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.