Home / 18,370.31-25,376.62-17,687.57

Finding the Fourth Proportional to 18,370.31, 25,376.62 and 17,687.57

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Solution

The fourth proportional to 18,370.31, 25,376.62 and 17,687.57 is: 24,433.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,370.31 : 25,376.62 = 17,687.57 : x
  2. Step 2: Convert to fraction form
    18,370.31/25,376.62 = 17,687.57/x
  3. Step 3: Cross multiply
    18,370.31x = 25,376.62 × 17,687.57
  4. Step 4: Simplify right side
    18,370.31x = 448,850,742.61
  5. Step 5: Solve for x
    x = 448,850,742.61/18,370.31
  6. Step 6: Final answer
    x = 24,433.49

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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.