Home / 16,731.30-23,089.20-9,279.30

Finding the Fourth Proportional to 16,731.30, 23,089.20 and 9,279.30

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Solution

The fourth proportional to 16,731.30, 23,089.20 and 9,279.30 is: 12,805.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,731.30 : 23,089.20 = 9,279.30 : x
  2. Step 2: Convert to fraction form
    16,731.30/23,089.20 = 9,279.30/x
  3. Step 3: Cross multiply
    16,731.30x = 23,089.20 × 9,279.30
  4. Step 4: Simplify right side
    16,731.30x = 214,251,498.11
  5. Step 5: Solve for x
    x = 214,251,498.11/16,731.30
  6. Step 6: Final answer
    x = 12,805.43

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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.