Home / 10,387.08-15,583.92-4,461.12

Finding the Fourth Proportional to 10,387.08, 15,583.92 and 4,461.12

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Solution

The fourth proportional to 10,387.08, 15,583.92 and 4,461.12 is: 6,693.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,387.08 : 15,583.92 = 4,461.12 : x
  2. Step 2: Convert to fraction form
    10,387.08/15,583.92 = 4,461.12/x
  3. Step 3: Cross multiply
    10,387.08x = 15,583.92 × 4,461.12
  4. Step 4: Simplify right side
    10,387.08x = 69,521,737.19
  5. Step 5: Solve for x
    x = 69,521,737.19/10,387.08
  6. Step 6: Final answer
    x = 6,693.10

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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.