Home / 16,977.28-25,446.48-9,192.64

Finding the Fourth Proportional to 16,977.28, 25,446.48 and 9,192.64

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Solution

The fourth proportional to 16,977.28, 25,446.48 and 9,192.64 is: 13,778.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,977.28 : 25,446.48 = 9,192.64 : x
  2. Step 2: Convert to fraction form
    16,977.28/25,446.48 = 9,192.64/x
  3. Step 3: Cross multiply
    16,977.28x = 25,446.48 × 9,192.64
  4. Step 4: Simplify right side
    16,977.28x = 233,920,329.91
  5. Step 5: Solve for x
    x = 233,920,329.91/16,977.28
  6. Step 6: Final answer
    x = 13,778.43

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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.