Home / 20,187.42-30,261.45-9,654.68

Finding the Fourth Proportional to 20,187.42, 30,261.45 and 9,654.68

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Solution

The fourth proportional to 20,187.42, 30,261.45 and 9,654.68 is: 14,472.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,187.42 : 30,261.45 = 9,654.68 : x
  2. Step 2: Convert to fraction form
    20,187.42/30,261.45 = 9,654.68/x
  3. Step 3: Cross multiply
    20,187.42x = 30,261.45 × 9,654.68
  4. Step 4: Simplify right side
    20,187.42x = 292,164,616.09
  5. Step 5: Solve for x
    x = 292,164,616.09/20,187.42
  6. Step 6: Final answer
    x = 14,472.61

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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.