Home / 16,778.28-25,186.89-9,002.28

Finding the Fourth Proportional to 16,778.28, 25,186.89 and 9,002.28

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Solution

The fourth proportional to 16,778.28, 25,186.89 and 9,002.28 is: 13,513.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,778.28 : 25,186.89 = 9,002.28 : x
  2. Step 2: Convert to fraction form
    16,778.28/25,186.89 = 9,002.28/x
  3. Step 3: Cross multiply
    16,778.28x = 25,186.89 × 9,002.28
  4. Step 4: Simplify right side
    16,778.28x = 226,739,436.11
  5. Step 5: Solve for x
    x = 226,739,436.11/16,778.28
  6. Step 6: Final answer
    x = 13,513.87

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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.