Home / 10,285.10-15,429.27-3,712.90

Finding the Fourth Proportional to 10,285.10, 15,429.27 and 3,712.90

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Solution

The fourth proportional to 10,285.10, 15,429.27 and 3,712.90 is: 5,569.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,285.10 : 15,429.27 = 3,712.90 : x
  2. Step 2: Convert to fraction form
    10,285.10/15,429.27 = 3,712.90/x
  3. Step 3: Cross multiply
    10,285.10x = 15,429.27 × 3,712.90
  4. Step 4: Simplify right side
    10,285.10x = 57,287,336.58
  5. Step 5: Solve for x
    x = 57,287,336.58/10,285.10
  6. Step 6: Final answer
    x = 5,569.93

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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.