Home / 18,244.35-25,175.79-10,689.66

Finding the Fourth Proportional to 18,244.35, 25,175.79 and 10,689.66

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Solution

The fourth proportional to 18,244.35, 25,175.79 and 10,689.66 is: 14,750.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,244.35 : 25,175.79 = 10,689.66 : x
  2. Step 2: Convert to fraction form
    18,244.35/25,175.79 = 10,689.66/x
  3. Step 3: Cross multiply
    18,244.35x = 25,175.79 × 10,689.66
  4. Step 4: Simplify right side
    18,244.35x = 269,120,635.33
  5. Step 5: Solve for x
    x = 269,120,635.33/18,244.35
  6. Step 6: Final answer
    x = 14,750.90

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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.