Home / 11,301.20-16,929.10-6,363.44

Finding the Fourth Proportional to 11,301.20, 16,929.10 and 6,363.44

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Solution

The fourth proportional to 11,301.20, 16,929.10 and 6,363.44 is: 9,532.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,301.20 : 16,929.10 = 6,363.44 : x
  2. Step 2: Convert to fraction form
    11,301.20/16,929.10 = 6,363.44/x
  3. Step 3: Cross multiply
    11,301.20x = 16,929.10 × 6,363.44
  4. Step 4: Simplify right side
    11,301.20x = 107,727,312.10
  5. Step 5: Solve for x
    x = 107,727,312.10/11,301.20
  6. Step 6: Final answer
    x = 9,532.38

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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.