Home / 18,269.56-27,402.20-5,122.99

Finding the Fourth Proportional to 18,269.56, 27,402.20 and 5,122.99

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Solution

The fourth proportional to 18,269.56, 27,402.20 and 5,122.99 is: 7,683.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,269.56 : 27,402.20 = 5,122.99 : x
  2. Step 2: Convert to fraction form
    18,269.56/27,402.20 = 5,122.99/x
  3. Step 3: Cross multiply
    18,269.56x = 27,402.20 × 5,122.99
  4. Step 4: Simplify right side
    18,269.56x = 140,381,170.96
  5. Step 5: Solve for x
    x = 140,381,170.96/18,269.56
  6. Step 6: Final answer
    x = 7,683.88

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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.