Home / 14,521.44-21,787.20-7,600.80

Finding the Fourth Proportional to 14,521.44, 21,787.20 and 7,600.80

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Solution

The fourth proportional to 14,521.44, 21,787.20 and 7,600.80 is: 11,403.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,521.44 : 21,787.20 = 7,600.80 : x
  2. Step 2: Convert to fraction form
    14,521.44/21,787.20 = 7,600.80/x
  3. Step 3: Cross multiply
    14,521.44x = 21,787.20 × 7,600.80
  4. Step 4: Simplify right side
    14,521.44x = 165,600,149.76
  5. Step 5: Solve for x
    x = 165,600,149.76/14,521.44
  6. Step 6: Final answer
    x = 11,403.84

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1.5x scale

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.