Home / 11,764.81-16,234.93-6,459.72

Finding the Fourth Proportional to 11,764.81, 16,234.93 and 6,459.72

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Solution

The fourth proportional to 11,764.81, 16,234.93 and 6,459.72 is: 8,914.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,764.81 : 16,234.93 = 6,459.72 : x
  2. Step 2: Convert to fraction form
    11,764.81/16,234.93 = 6,459.72/x
  3. Step 3: Cross multiply
    11,764.81x = 16,234.93 × 6,459.72
  4. Step 4: Simplify right side
    11,764.81x = 104,873,102.02
  5. Step 5: Solve for x
    x = 104,873,102.02/11,764.81
  6. Step 6: Final answer
    x = 8,914.13

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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.