Home / 18,071.10-24,912.27-15,082.20

Finding the Fourth Proportional to 18,071.10, 24,912.27 and 15,082.20

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Solution

The fourth proportional to 18,071.10, 24,912.27 and 15,082.20 is: 20,791.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,071.10 : 24,912.27 = 15,082.20 : x
  2. Step 2: Convert to fraction form
    18,071.10/24,912.27 = 15,082.20/x
  3. Step 3: Cross multiply
    18,071.10x = 24,912.27 × 15,082.20
  4. Step 4: Simplify right side
    18,071.10x = 375,731,838.59
  5. Step 5: Solve for x
    x = 375,731,838.59/18,071.10
  6. Step 6: Final answer
    x = 20,791.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.