Home / 19,538.70-29,304.99-5,499.78

Finding the Fourth Proportional to 19,538.70, 29,304.99 and 5,499.78

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Solution

The fourth proportional to 19,538.70, 29,304.99 and 5,499.78 is: 8,248.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,538.70 : 29,304.99 = 5,499.78 : x
  2. Step 2: Convert to fraction form
    19,538.70/29,304.99 = 5,499.78/x
  3. Step 3: Cross multiply
    19,538.70x = 29,304.99 × 5,499.78
  4. Step 4: Simplify right side
    19,538.70x = 161,170,997.90
  5. Step 5: Solve for x
    x = 161,170,997.90/19,538.70
  6. Step 6: Final answer
    x = 8,248.81

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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.