Home / 9,217.47-13,767.45-8,338.62

Finding the Fourth Proportional to 9,217.47, 13,767.45 and 8,338.62

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Solution

The fourth proportional to 9,217.47, 13,767.45 and 8,338.62 is: 12,454.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,217.47 : 13,767.45 = 8,338.62 : x
  2. Step 2: Convert to fraction form
    9,217.47/13,767.45 = 8,338.62/x
  3. Step 3: Cross multiply
    9,217.47x = 13,767.45 × 8,338.62
  4. Step 4: Simplify right side
    9,217.47x = 114,801,533.92
  5. Step 5: Solve for x
    x = 114,801,533.92/9,217.47
  6. Step 6: Final answer
    x = 12,454.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.