Home / 18,275.55-27,414.14-5,127.63

Finding the Fourth Proportional to 18,275.55, 27,414.14 and 5,127.63

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Solution

The fourth proportional to 18,275.55, 27,414.14 and 5,127.63 is: 7,691.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,275.55 : 27,414.14 = 5,127.63 : x
  2. Step 2: Convert to fraction form
    18,275.55/27,414.14 = 5,127.63/x
  3. Step 3: Cross multiply
    18,275.55x = 27,414.14 × 5,127.63
  4. Step 4: Simplify right side
    18,275.55x = 140,569,566.69
  5. Step 5: Solve for x
    x = 140,569,566.69/18,275.55
  6. Step 6: Final answer
    x = 7,691.67

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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.