Home / 9,325.05-12,871.29-7,449.70

Finding the Fourth Proportional to 9,325.05, 12,871.29 and 7,449.70

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Solution

The fourth proportional to 9,325.05, 12,871.29 and 7,449.70 is: 10,282.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,325.05 : 12,871.29 = 7,449.70 : x
  2. Step 2: Convert to fraction form
    9,325.05/12,871.29 = 7,449.70/x
  3. Step 3: Cross multiply
    9,325.05x = 12,871.29 × 7,449.70
  4. Step 4: Simplify right side
    9,325.05x = 95,887,211.86
  5. Step 5: Solve for x
    x = 95,887,211.86/9,325.05
  6. Step 6: Final answer
    x = 10,282.76

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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.