Home / 18,377.31-25,349.90-11,560.49

Finding the Fourth Proportional to 18,377.31, 25,349.90 and 11,560.49

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Solution

The fourth proportional to 18,377.31, 25,349.90 and 11,560.49 is: 15,946.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,377.31 : 25,349.90 = 11,560.49 : x
  2. Step 2: Convert to fraction form
    18,377.31/25,349.90 = 11,560.49/x
  3. Step 3: Cross multiply
    18,377.31x = 25,349.90 × 11,560.49
  4. Step 4: Simplify right side
    18,377.31x = 293,057,175.96
  5. Step 5: Solve for x
    x = 293,057,175.96/18,377.31
  6. Step 6: Final answer
    x = 15,946.68

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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.