Home / 15,982.32-22,057.68-11,520.84

Finding the Fourth Proportional to 15,982.32, 22,057.68 and 11,520.84

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Solution

The fourth proportional to 15,982.32, 22,057.68 and 11,520.84 is: 15,900.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,982.32 : 22,057.68 = 11,520.84 : x
  2. Step 2: Convert to fraction form
    15,982.32/22,057.68 = 11,520.84/x
  3. Step 3: Cross multiply
    15,982.32x = 22,057.68 × 11,520.84
  4. Step 4: Simplify right side
    15,982.32x = 254,123,002.05
  5. Step 5: Solve for x
    x = 254,123,002.05/15,982.32
  6. Step 6: Final answer
    x = 15,900.26

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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.