Home / 18,490.67-27,737.42-5,343.15

Finding the Fourth Proportional to 18,490.67, 27,737.42 and 5,343.15

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Solution

The fourth proportional to 18,490.67, 27,737.42 and 5,343.15 is: 8,015.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,490.67 : 27,737.42 = 5,343.15 : x
  2. Step 2: Convert to fraction form
    18,490.67/27,737.42 = 5,343.15/x
  3. Step 3: Cross multiply
    18,490.67x = 27,737.42 × 5,343.15
  4. Step 4: Simplify right side
    18,490.67x = 148,205,168.96
  5. Step 5: Solve for x
    x = 148,205,168.96/18,490.67
  6. Step 6: Final answer
    x = 8,015.13

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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.