Home / 13,737.33-18,961.16-9,489.15

Finding the Fourth Proportional to 13,737.33, 18,961.16 and 9,489.15

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Solution

The fourth proportional to 13,737.33, 18,961.16 and 9,489.15 is: 13,097.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,737.33 : 18,961.16 = 9,489.15 : x
  2. Step 2: Convert to fraction form
    13,737.33/18,961.16 = 9,489.15/x
  3. Step 3: Cross multiply
    13,737.33x = 18,961.16 × 9,489.15
  4. Step 4: Simplify right side
    13,737.33x = 179,925,243.97
  5. Step 5: Solve for x
    x = 179,925,243.97/13,737.33
  6. Step 6: Final answer
    x = 13,097.54

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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.