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Finding the Fourth Proportional to 10,367.20, 15,550.80 and 5,982.40

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Solution

The fourth proportional to 10,367.20, 15,550.80 and 5,982.40 is: 8,973.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367.20 : 15,550.80 = 5,982.40 : x
  2. Step 2: Convert to fraction form
    10,367.20/15,550.80 = 5,982.40/x
  3. Step 3: Cross multiply
    10,367.20x = 15,550.80 × 5,982.40
  4. Step 4: Simplify right side
    10,367.20x = 93,031,105.92
  5. Step 5: Solve for x
    x = 93,031,105.92/10,367.20
  6. Step 6: Final answer
    x = 8,973.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.