Home / 12,521-17,279.10-6,932.12

Finding the Fourth Proportional to 12,521, 17,279.10 and 6,932.12

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Solution

The fourth proportional to 12,521, 17,279.10 and 6,932.12 is: 9,566.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,521 : 17,279.10 = 6,932.12 : x
  2. Step 2: Convert to fraction form
    12,521/17,279.10 = 6,932.12/x
  3. Step 3: Cross multiply
    12,521x = 17,279.10 × 6,932.12
  4. Step 4: Simplify right side
    12,521x = 119,780,794.69
  5. Step 5: Solve for x
    x = 119,780,794.69/12,521
  6. Step 6: Final answer
    x = 9,566.39

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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.