Home / 18,229.53-27,352.31-6,391.83

Finding the Fourth Proportional to 18,229.53, 27,352.31 and 6,391.83

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Solution

The fourth proportional to 18,229.53, 27,352.31 and 6,391.83 is: 9,590.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,229.53 : 27,352.31 = 6,391.83 : x
  2. Step 2: Convert to fraction form
    18,229.53/27,352.31 = 6,391.83/x
  3. Step 3: Cross multiply
    18,229.53x = 27,352.31 × 6,391.83
  4. Step 4: Simplify right side
    18,229.53x = 174,831,283.67
  5. Step 5: Solve for x
    x = 174,831,283.67/18,229.53
  6. Step 6: Final answer
    x = 9,590.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.