Home / 15,010.38-20,714.24-8,296.40

Finding the Fourth Proportional to 15,010.38, 20,714.24 and 8,296.40

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Solution

The fourth proportional to 15,010.38, 20,714.24 and 8,296.40 is: 11,448.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,010.38 : 20,714.24 = 8,296.40 : x
  2. Step 2: Convert to fraction form
    15,010.38/20,714.24 = 8,296.40/x
  3. Step 3: Cross multiply
    15,010.38x = 20,714.24 × 8,296.40
  4. Step 4: Simplify right side
    15,010.38x = 171,853,620.74
  5. Step 5: Solve for x
    x = 171,853,620.74/15,010.38
  6. Step 6: Final answer
    x = 11,448.99

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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.