Home / 10,126.68-15,189.92-3,201.18

Finding the Fourth Proportional to 10,126.68, 15,189.92 and 3,201.18

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Solution

The fourth proportional to 10,126.68, 15,189.92 and 3,201.18 is: 4,801.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,126.68 : 15,189.92 = 3,201.18 : x
  2. Step 2: Convert to fraction form
    10,126.68/15,189.92 = 3,201.18/x
  3. Step 3: Cross multiply
    10,126.68x = 15,189.92 × 3,201.18
  4. Step 4: Simplify right side
    10,126.68x = 48,625,668.11
  5. Step 5: Solve for x
    x = 48,625,668.11/10,126.68
  6. Step 6: Final answer
    x = 4,801.74

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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.