Home / 10,354.32-15,519.12-3,772.86

Finding the Fourth Proportional to 10,354.32, 15,519.12 and 3,772.86

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Solution

The fourth proportional to 10,354.32, 15,519.12 and 3,772.86 is: 5,654.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,354.32 : 15,519.12 = 3,772.86 : x
  2. Step 2: Convert to fraction form
    10,354.32/15,519.12 = 3,772.86/x
  3. Step 3: Cross multiply
    10,354.32x = 15,519.12 × 3,772.86
  4. Step 4: Simplify right side
    10,354.32x = 58,551,467.08
  5. Step 5: Solve for x
    x = 58,551,467.08/10,354.32
  6. Step 6: Final answer
    x = 5,654.79

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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.