Home / 18,324.55-27,487.63-5,177.95

Finding the Fourth Proportional to 18,324.55, 27,487.63 and 5,177.95

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Solution

The fourth proportional to 18,324.55, 27,487.63 and 5,177.95 is: 7,767.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,324.55 : 27,487.63 = 5,177.95 : x
  2. Step 2: Convert to fraction form
    18,324.55/27,487.63 = 5,177.95/x
  3. Step 3: Cross multiply
    18,324.55x = 27,487.63 × 5,177.95
  4. Step 4: Simplify right side
    18,324.55x = 142,329,573.76
  5. Step 5: Solve for x
    x = 142,329,573.76/18,324.55
  6. Step 6: Final answer
    x = 7,767.15

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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.