Home / 12,761.32-17,593.68-8,775.40

Finding the Fourth Proportional to 12,761.32, 17,593.68 and 8,775.40

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Solution

The fourth proportional to 12,761.32, 17,593.68 and 8,775.40 is: 12,098.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,761.32 : 17,593.68 = 8,775.40 : x
  2. Step 2: Convert to fraction form
    12,761.32/17,593.68 = 8,775.40/x
  3. Step 3: Cross multiply
    12,761.32x = 17,593.68 × 8,775.40
  4. Step 4: Simplify right side
    12,761.32x = 154,391,579.47
  5. Step 5: Solve for x
    x = 154,391,579.47/12,761.32
  6. Step 6: Final answer
    x = 12,098.40

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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.