Home / 18,327.44-25,257.27-14,689.35

Finding the Fourth Proportional to 18,327.44, 25,257.27 and 14,689.35

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Solution

The fourth proportional to 18,327.44, 25,257.27 and 14,689.35 is: 20,243.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,327.44 : 25,257.27 = 14,689.35 : x
  2. Step 2: Convert to fraction form
    18,327.44/25,257.27 = 14,689.35/x
  3. Step 3: Cross multiply
    18,327.44x = 25,257.27 × 14,689.35
  4. Step 4: Simplify right side
    18,327.44x = 371,012,851.53
  5. Step 5: Solve for x
    x = 371,012,851.53/18,327.44
  6. Step 6: Final answer
    x = 20,243.57

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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.