Home / 18,269.55-27,402.30-5,122.44

Finding the Fourth Proportional to 18,269.55, 27,402.30 and 5,122.44

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Solution

The fourth proportional to 18,269.55, 27,402.30 and 5,122.44 is: 7,683.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,269.55 : 27,402.30 = 5,122.44 : x
  2. Step 2: Convert to fraction form
    18,269.55/27,402.30 = 5,122.44/x
  3. Step 3: Cross multiply
    18,269.55x = 27,402.30 × 5,122.44
  4. Step 4: Simplify right side
    18,269.55x = 140,366,637.61
  5. Step 5: Solve for x
    x = 140,366,637.61/18,269.55
  6. Step 6: Final answer
    x = 7,683.09

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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.