Home / 18,352.29-25,327.86-11,281.53

Finding the Fourth Proportional to 18,352.29, 25,327.86 and 11,281.53

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Solution

The fourth proportional to 18,352.29, 25,327.86 and 11,281.53 is: 15,569.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,352.29 : 25,327.86 = 11,281.53 : x
  2. Step 2: Convert to fraction form
    18,352.29/25,327.86 = 11,281.53/x
  3. Step 3: Cross multiply
    18,352.29x = 25,327.86 × 11,281.53
  4. Step 4: Simplify right side
    18,352.29x = 285,737,012.43
  5. Step 5: Solve for x
    x = 285,737,012.43/18,352.29
  6. Step 6: Final answer
    x = 15,569.56

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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.