Home / 10,411.28-15,617.17-4,085.89

Finding the Fourth Proportional to 10,411.28, 15,617.17 and 4,085.89

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Solution

The fourth proportional to 10,411.28, 15,617.17 and 4,085.89 is: 6,128.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,411.28 : 15,617.17 = 4,085.89 : x
  2. Step 2: Convert to fraction form
    10,411.28/15,617.17 = 4,085.89/x
  3. Step 3: Cross multiply
    10,411.28x = 15,617.17 × 4,085.89
  4. Step 4: Simplify right side
    10,411.28x = 63,810,004.80
  5. Step 5: Solve for x
    x = 63,810,004.80/10,411.28
  6. Step 6: Final answer
    x = 6,128.93

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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.