Home / 11,941.20-16,481.16-7,229.52

Finding the Fourth Proportional to 11,941.20, 16,481.16 and 7,229.52

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Solution

The fourth proportional to 11,941.20, 16,481.16 and 7,229.52 is: 9,978.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,941.20 : 16,481.16 = 7,229.52 : x
  2. Step 2: Convert to fraction form
    11,941.20/16,481.16 = 7,229.52/x
  3. Step 3: Cross multiply
    11,941.20x = 16,481.16 × 7,229.52
  4. Step 4: Simplify right side
    11,941.20x = 119,150,875.84
  5. Step 5: Solve for x
    x = 119,150,875.84/11,941.20
  6. Step 6: Final answer
    x = 9,978.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.