Home / 18,181.66-27,269.39-5,030.95

Finding the Fourth Proportional to 18,181.66, 27,269.39 and 5,030.95

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Solution

The fourth proportional to 18,181.66, 27,269.39 and 5,030.95 is: 7,545.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,181.66 : 27,269.39 = 5,030.95 : x
  2. Step 2: Convert to fraction form
    18,181.66/27,269.39 = 5,030.95/x
  3. Step 3: Cross multiply
    18,181.66x = 27,269.39 × 5,030.95
  4. Step 4: Simplify right side
    18,181.66x = 137,190,882.02
  5. Step 5: Solve for x
    x = 137,190,882.02/18,181.66
  6. Step 6: Final answer
    x = 7,545.57

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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.