Home / 10,722.20-16,084.04-3,325.66

Finding the Fourth Proportional to 10,722.20, 16,084.04 and 3,325.66

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Solution

The fourth proportional to 10,722.20, 16,084.04 and 3,325.66 is: 4,988.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,722.20 : 16,084.04 = 3,325.66 : x
  2. Step 2: Convert to fraction form
    10,722.20/16,084.04 = 3,325.66/x
  3. Step 3: Cross multiply
    10,722.20x = 16,084.04 × 3,325.66
  4. Step 4: Simplify right side
    10,722.20x = 53,490,048.47
  5. Step 5: Solve for x
    x = 53,490,048.47/10,722.20
  6. Step 6: Final answer
    x = 4,988.72

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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.