Home / 9,126.77-13,713.21-8,757.71

Finding the Fourth Proportional to 9,126.77, 13,713.21 and 8,757.71

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Solution

The fourth proportional to 9,126.77, 13,713.21 and 8,757.71 is: 13,158.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,126.77 : 13,713.21 = 8,757.71 : x
  2. Step 2: Convert to fraction form
    9,126.77/13,713.21 = 8,757.71/x
  3. Step 3: Cross multiply
    9,126.77x = 13,713.21 × 8,757.71
  4. Step 4: Simplify right side
    9,126.77x = 120,096,247.78
  5. Step 5: Solve for x
    x = 120,096,247.78/9,126.77
  6. Step 6: Final answer
    x = 13,158.69

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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.