Home / 14,353.38-21,534.15-5,590.80

Finding the Fourth Proportional to 14,353.38, 21,534.15 and 5,590.80

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Solution

The fourth proportional to 14,353.38, 21,534.15 and 5,590.80 is: 8,387.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,353.38 : 21,534.15 = 5,590.80 : x
  2. Step 2: Convert to fraction form
    14,353.38/21,534.15 = 5,590.80/x
  3. Step 3: Cross multiply
    14,353.38x = 21,534.15 × 5,590.80
  4. Step 4: Simplify right side
    14,353.38x = 120,393,125.82
  5. Step 5: Solve for x
    x = 120,393,125.82/14,353.38
  6. Step 6: Final answer
    x = 8,387.79

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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.