Home / 20,176.62-30,263.70-9,654.12

Finding the Fourth Proportional to 20,176.62, 30,263.70 and 9,654.12

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Solution

The fourth proportional to 20,176.62, 30,263.70 and 9,654.12 is: 14,480.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,176.62 : 30,263.70 = 9,654.12 : x
  2. Step 2: Convert to fraction form
    20,176.62/30,263.70 = 9,654.12/x
  3. Step 3: Cross multiply
    20,176.62x = 30,263.70 × 9,654.12
  4. Step 4: Simplify right side
    20,176.62x = 292,169,391.44
  5. Step 5: Solve for x
    x = 292,169,391.44/20,176.62
  6. Step 6: Final answer
    x = 14,480.59

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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.