Home / 12,441.08-17,165.28-8,660

Finding the Fourth Proportional to 12,441.08, 17,165.28 and 8,660

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Solution

The fourth proportional to 12,441.08, 17,165.28 and 8,660 is: 11,948.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,441.08 : 17,165.28 = 8,660 : x
  2. Step 2: Convert to fraction form
    12,441.08/17,165.28 = 8,660/x
  3. Step 3: Cross multiply
    12,441.08x = 17,165.28 × 8,660
  4. Step 4: Simplify right side
    12,441.08x = 148,651,324.80
  5. Step 5: Solve for x
    x = 148,651,324.80/12,441.08
  6. Step 6: Final answer
    x = 11,948.43

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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.