Home / 9,032.31-13,519.76-8,687.86

Finding the Fourth Proportional to 9,032.31, 13,519.76 and 8,687.86

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Solution

The fourth proportional to 9,032.31, 13,519.76 and 8,687.86 is: 13,004.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,032.31 : 13,519.76 = 8,687.86 : x
  2. Step 2: Convert to fraction form
    9,032.31/13,519.76 = 8,687.86/x
  3. Step 3: Cross multiply
    9,032.31x = 13,519.76 × 8,687.86
  4. Step 4: Simplify right side
    9,032.31x = 117,457,753.74
  5. Step 5: Solve for x
    x = 117,457,753.74/9,032.31
  6. Step 6: Final answer
    x = 13,004.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.