Home / 10,826.20-16,243.17-4,257.10

Finding the Fourth Proportional to 10,826.20, 16,243.17 and 4,257.10

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Solution

The fourth proportional to 10,826.20, 16,243.17 and 4,257.10 is: 6,387.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,826.20 : 16,243.17 = 4,257.10 : x
  2. Step 2: Convert to fraction form
    10,826.20/16,243.17 = 4,257.10/x
  3. Step 3: Cross multiply
    10,826.20x = 16,243.17 × 4,257.10
  4. Step 4: Simplify right side
    10,826.20x = 69,148,799.01
  5. Step 5: Solve for x
    x = 69,148,799.01/10,826.20
  6. Step 6: Final answer
    x = 6,387.17

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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.