Home / 15,279.30-22,920.17-6,959.59

Finding the Fourth Proportional to 15,279.30, 22,920.17 and 6,959.59

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Solution

The fourth proportional to 15,279.30, 22,920.17 and 6,959.59 is: 10,439.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,279.30 : 22,920.17 = 6,959.59 : x
  2. Step 2: Convert to fraction form
    15,279.30/22,920.17 = 6,959.59/x
  3. Step 3: Cross multiply
    15,279.30x = 22,920.17 × 6,959.59
  4. Step 4: Simplify right side
    15,279.30x = 159,514,893.83
  5. Step 5: Solve for x
    x = 159,514,893.83/15,279.30
  6. Step 6: Final answer
    x = 10,439.93

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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.