Home / 14,645.20-20,202.12-9,265.96

Finding the Fourth Proportional to 14,645.20, 20,202.12 and 9,265.96

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Solution

The fourth proportional to 14,645.20, 20,202.12 and 9,265.96 is: 12,781.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,645.20 : 20,202.12 = 9,265.96 : x
  2. Step 2: Convert to fraction form
    14,645.20/20,202.12 = 9,265.96/x
  3. Step 3: Cross multiply
    14,645.20x = 20,202.12 × 9,265.96
  4. Step 4: Simplify right side
    14,645.20x = 187,192,035.84
  5. Step 5: Solve for x
    x = 187,192,035.84/14,645.20
  6. Step 6: Final answer
    x = 12,781.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.