Home / 11,275.20-16,922.40-5,044.80

Finding the Fourth Proportional to 11,275.20, 16,922.40 and 5,044.80

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Solution

The fourth proportional to 11,275.20, 16,922.40 and 5,044.80 is: 7,571.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,275.20 : 16,922.40 = 5,044.80 : x
  2. Step 2: Convert to fraction form
    11,275.20/16,922.40 = 5,044.80/x
  3. Step 3: Cross multiply
    11,275.20x = 16,922.40 × 5,044.80
  4. Step 4: Simplify right side
    11,275.20x = 85,370,123.52
  5. Step 5: Solve for x
    x = 85,370,123.52/11,275.20
  6. Step 6: Final answer
    x = 7,571.50

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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.