Home / 14,354.72-21,531.84-4,493.90

Finding the Fourth Proportional to 14,354.72, 21,531.84 and 4,493.90

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Solution

The fourth proportional to 14,354.72, 21,531.84 and 4,493.90 is: 6,740.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,354.72 : 21,531.84 = 4,493.90 : x
  2. Step 2: Convert to fraction form
    14,354.72/21,531.84 = 4,493.90/x
  3. Step 3: Cross multiply
    14,354.72x = 21,531.84 × 4,493.90
  4. Step 4: Simplify right side
    14,354.72x = 96,761,935.78
  5. Step 5: Solve for x
    x = 96,761,935.78/14,354.72
  6. Step 6: Final answer
    x = 6,740.77

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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.