Home / 16,770.48-25,151.20-7,987.92

Finding the Fourth Proportional to 16,770.48, 25,151.20 and 7,987.92

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Solution

The fourth proportional to 16,770.48, 25,151.20 and 7,987.92 is: 11,979.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,770.48 : 25,151.20 = 7,987.92 : x
  2. Step 2: Convert to fraction form
    16,770.48/25,151.20 = 7,987.92/x
  3. Step 3: Cross multiply
    16,770.48x = 25,151.20 × 7,987.92
  4. Step 4: Simplify right side
    16,770.48x = 200,905,773.50
  5. Step 5: Solve for x
    x = 200,905,773.50/16,770.48
  6. Step 6: Final answer
    x = 11,979.73

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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.