Home / 18,711.18-25,821.27-10,327.50

Finding the Fourth Proportional to 18,711.18, 25,821.27 and 10,327.50

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Solution

The fourth proportional to 18,711.18, 25,821.27 and 10,327.50 is: 14,251.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,711.18 : 25,821.27 = 10,327.50 : x
  2. Step 2: Convert to fraction form
    18,711.18/25,821.27 = 10,327.50/x
  3. Step 3: Cross multiply
    18,711.18x = 25,821.27 × 10,327.50
  4. Step 4: Simplify right side
    18,711.18x = 266,669,165.93
  5. Step 5: Solve for x
    x = 266,669,165.93/18,711.18
  6. Step 6: Final answer
    x = 14,251.86

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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.