Home / 20,944.59-31,412.01-6,149.55

Finding the Fourth Proportional to 20,944.59, 31,412.01 and 6,149.55

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Solution

The fourth proportional to 20,944.59, 31,412.01 and 6,149.55 is: 9,222.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,944.59 : 31,412.01 = 6,149.55 : x
  2. Step 2: Convert to fraction form
    20,944.59/31,412.01 = 6,149.55/x
  3. Step 3: Cross multiply
    20,944.59x = 31,412.01 × 6,149.55
  4. Step 4: Simplify right side
    20,944.59x = 193,169,726.10
  5. Step 5: Solve for x
    x = 193,169,726.10/20,944.59
  6. Step 6: Final answer
    x = 9,222.89

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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.