Home / 18,269.81-27,402.57-5,123.24

Finding the Fourth Proportional to 18,269.81, 27,402.57 and 5,123.24

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Solution

The fourth proportional to 18,269.81, 27,402.57 and 5,123.24 is: 7,684.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,269.81 : 27,402.57 = 5,123.24 : x
  2. Step 2: Convert to fraction form
    18,269.81/27,402.57 = 5,123.24/x
  3. Step 3: Cross multiply
    18,269.81x = 27,402.57 × 5,123.24
  4. Step 4: Simplify right side
    18,269.81x = 140,389,942.73
  5. Step 5: Solve for x
    x = 140,389,942.73/18,269.81
  6. Step 6: Final answer
    x = 7,684.26

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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.