Home / 9,217.06-12,716.49-7,207.72

Finding the Fourth Proportional to 9,217.06, 12,716.49 and 7,207.72

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Solution

The fourth proportional to 9,217.06, 12,716.49 and 7,207.72 is: 9,944.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,217.06 : 12,716.49 = 7,207.72 : x
  2. Step 2: Convert to fraction form
    9,217.06/12,716.49 = 7,207.72/x
  3. Step 3: Cross multiply
    9,217.06x = 12,716.49 × 7,207.72
  4. Step 4: Simplify right side
    9,217.06x = 91,656,894.54
  5. Step 5: Solve for x
    x = 91,656,894.54/9,217.06
  6. Step 6: Final answer
    x = 9,944.27

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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.