Home / 18,545.18-27,817.47-4,505.33

Finding the Fourth Proportional to 18,545.18, 27,817.47 and 4,505.33

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Solution

The fourth proportional to 18,545.18, 27,817.47 and 4,505.33 is: 6,757.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,545.18 : 27,817.47 = 4,505.33 : x
  2. Step 2: Convert to fraction form
    18,545.18/27,817.47 = 4,505.33/x
  3. Step 3: Cross multiply
    18,545.18x = 27,817.47 × 4,505.33
  4. Step 4: Simplify right side
    18,545.18x = 125,326,743.03
  5. Step 5: Solve for x
    x = 125,326,743.03/18,545.18
  6. Step 6: Final answer
    x = 6,757.91

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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.