Home / 10,831.80-16,241.10-4,250.10

Finding the Fourth Proportional to 10,831.80, 16,241.10 and 4,250.10

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Solution

The fourth proportional to 10,831.80, 16,241.10 and 4,250.10 is: 6,372.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,831.80 : 16,241.10 = 4,250.10 : x
  2. Step 2: Convert to fraction form
    10,831.80/16,241.10 = 4,250.10/x
  3. Step 3: Cross multiply
    10,831.80x = 16,241.10 × 4,250.10
  4. Step 4: Simplify right side
    10,831.80x = 69,026,299.11
  5. Step 5: Solve for x
    x = 69,026,299.11/10,831.80
  6. Step 6: Final answer
    x = 6,372.56

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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.