Home / 18,269.91-27,401.65-5,123.30

Finding the Fourth Proportional to 18,269.91, 27,401.65 and 5,123.30

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Solution

The fourth proportional to 18,269.91, 27,401.65 and 5,123.30 is: 7,684.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,269.91 : 27,401.65 = 5,123.30 : x
  2. Step 2: Convert to fraction form
    18,269.91/27,401.65 = 5,123.30/x
  3. Step 3: Cross multiply
    18,269.91x = 27,401.65 × 5,123.30
  4. Step 4: Simplify right side
    18,269.91x = 140,386,723.63
  5. Step 5: Solve for x
    x = 140,386,723.63/18,269.91
  6. Step 6: Final answer
    x = 7,684.04

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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.