Home / 9,143.24-12,617.06-5,163.57

Finding the Fourth Proportional to 9,143.24, 12,617.06 and 5,163.57

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Solution

The fourth proportional to 9,143.24, 12,617.06 and 5,163.57 is: 7,125.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,143.24 : 12,617.06 = 5,163.57 : x
  2. Step 2: Convert to fraction form
    9,143.24/12,617.06 = 5,163.57/x
  3. Step 3: Cross multiply
    9,143.24x = 12,617.06 × 5,163.57
  4. Step 4: Simplify right side
    9,143.24x = 65,149,046.69
  5. Step 5: Solve for x
    x = 65,149,046.69/9,143.24
  6. Step 6: Final answer
    x = 7,125.38

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.