Home / 10,215.38-15,296.33-6,694.31

Finding the Fourth Proportional to 10,215.38, 15,296.33 and 6,694.31

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Solution

The fourth proportional to 10,215.38, 15,296.33 and 6,694.31 is: 10,023.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,215.38 : 15,296.33 = 6,694.31 : x
  2. Step 2: Convert to fraction form
    10,215.38/15,296.33 = 6,694.31/x
  3. Step 3: Cross multiply
    10,215.38x = 15,296.33 × 6,694.31
  4. Step 4: Simplify right side
    10,215.38x = 102,398,264.93
  5. Step 5: Solve for x
    x = 102,398,264.93/10,215.38
  6. Step 6: Final answer
    x = 10,023.94

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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.