Home / 10,126.26-15,191.43-4,282.86

Finding the Fourth Proportional to 10,126.26, 15,191.43 and 4,282.86

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Solution

The fourth proportional to 10,126.26, 15,191.43 and 4,282.86 is: 6,425.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,126.26 : 15,191.43 = 4,282.86 : x
  2. Step 2: Convert to fraction form
    10,126.26/15,191.43 = 4,282.86/x
  3. Step 3: Cross multiply
    10,126.26x = 15,191.43 × 4,282.86
  4. Step 4: Simplify right side
    10,126.26x = 65,062,767.89
  5. Step 5: Solve for x
    x = 65,062,767.89/10,126.26
  6. Step 6: Final answer
    x = 6,425.15

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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.