Home / 10,750.48-16,132.20-4,181.20

Finding the Fourth Proportional to 10,750.48, 16,132.20 and 4,181.20

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Solution

The fourth proportional to 10,750.48, 16,132.20 and 4,181.20 is: 6,274.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,750.48 : 16,132.20 = 4,181.20 : x
  2. Step 2: Convert to fraction form
    10,750.48/16,132.20 = 4,181.20/x
  3. Step 3: Cross multiply
    10,750.48x = 16,132.20 × 4,181.20
  4. Step 4: Simplify right side
    10,750.48x = 67,451,954.64
  5. Step 5: Solve for x
    x = 67,451,954.64/10,750.48
  6. Step 6: Final answer
    x = 6,274.32

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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.