Home / 11,347.83-15,659.60-6,311.94

Finding the Fourth Proportional to 11,347.83, 15,659.60 and 6,311.94

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Solution

The fourth proportional to 11,347.83, 15,659.60 and 6,311.94 is: 8,710.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,347.83 : 15,659.60 = 6,311.94 : x
  2. Step 2: Convert to fraction form
    11,347.83/15,659.60 = 6,311.94/x
  3. Step 3: Cross multiply
    11,347.83x = 15,659.60 × 6,311.94
  4. Step 4: Simplify right side
    11,347.83x = 98,842,365.34
  5. Step 5: Solve for x
    x = 98,842,365.34/11,347.83
  6. Step 6: Final answer
    x = 8,710.24

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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.