Home / 10,822.40-16,233.60-4,248.80

Finding the Fourth Proportional to 10,822.40, 16,233.60 and 4,248.80

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Solution

The fourth proportional to 10,822.40, 16,233.60 and 4,248.80 is: 6,373.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,822.40 : 16,233.60 = 4,248.80 : x
  2. Step 2: Convert to fraction form
    10,822.40/16,233.60 = 4,248.80/x
  3. Step 3: Cross multiply
    10,822.40x = 16,233.60 × 4,248.80
  4. Step 4: Simplify right side
    10,822.40x = 68,973,319.68
  5. Step 5: Solve for x
    x = 68,973,319.68/10,822.40
  6. Step 6: Final answer
    x = 6,373.20

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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.