Home / 15,842.53-21,867.56-9,132.64

Finding the Fourth Proportional to 15,842.53, 21,867.56 and 9,132.64

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Solution

The fourth proportional to 15,842.53, 21,867.56 and 9,132.64 is: 12,605.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,842.53 : 21,867.56 = 9,132.64 : x
  2. Step 2: Convert to fraction form
    15,842.53/21,867.56 = 9,132.64/x
  3. Step 3: Cross multiply
    15,842.53x = 21,867.56 × 9,132.64
  4. Step 4: Simplify right side
    15,842.53x = 199,708,553.16
  5. Step 5: Solve for x
    x = 199,708,553.16/15,842.53
  6. Step 6: Final answer
    x = 12,605.85

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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.