Home / 14,354.92-21,542.31-5,589.88

Finding the Fourth Proportional to 14,354.92, 21,542.31 and 5,589.88

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Solution

The fourth proportional to 14,354.92, 21,542.31 and 5,589.88 is: 8,388.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,354.92 : 21,542.31 = 5,589.88 : x
  2. Step 2: Convert to fraction form
    14,354.92/21,542.31 = 5,589.88/x
  3. Step 3: Cross multiply
    14,354.92x = 21,542.31 × 5,589.88
  4. Step 4: Simplify right side
    14,354.92x = 120,418,927.82
  5. Step 5: Solve for x
    x = 120,418,927.82/14,354.92
  6. Step 6: Final answer
    x = 8,388.69

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1.5x scale

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.