Home / 9,151.24-13,729.12-4,224.30

Finding the Fourth Proportional to 9,151.24, 13,729.12 and 4,224.30

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Solution

The fourth proportional to 9,151.24, 13,729.12 and 4,224.30 is: 6,337.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,151.24 : 13,729.12 = 4,224.30 : x
  2. Step 2: Convert to fraction form
    9,151.24/13,729.12 = 4,224.30/x
  3. Step 3: Cross multiply
    9,151.24x = 13,729.12 × 4,224.30
  4. Step 4: Simplify right side
    9,151.24x = 57,995,921.62
  5. Step 5: Solve for x
    x = 57,995,921.62/9,151.24
  6. Step 6: Final answer
    x = 6,337.49

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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.