Home / 14,452.87-21,640.17-7,512.79

Finding the Fourth Proportional to 14,452.87, 21,640.17 and 7,512.79

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Solution

The fourth proportional to 14,452.87, 21,640.17 and 7,512.79 is: 11,248.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,452.87 : 21,640.17 = 7,512.79 : x
  2. Step 2: Convert to fraction form
    14,452.87/21,640.17 = 7,512.79/x
  3. Step 3: Cross multiply
    14,452.87x = 21,640.17 × 7,512.79
  4. Step 4: Simplify right side
    14,452.87x = 162,578,052.77
  5. Step 5: Solve for x
    x = 162,578,052.77/14,452.87
  6. Step 6: Final answer
    x = 11,248.84

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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.