Home / 22,449.86-30,982.18-12,378.26

Finding the Fourth Proportional to 22,449.86, 30,982.18 and 12,378.26

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Solution

The fourth proportional to 22,449.86, 30,982.18 and 12,378.26 is: 17,082.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,449.86 : 30,982.18 = 12,378.26 : x
  2. Step 2: Convert to fraction form
    22,449.86/30,982.18 = 12,378.26/x
  3. Step 3: Cross multiply
    22,449.86x = 30,982.18 × 12,378.26
  4. Step 4: Simplify right side
    22,449.86x = 383,505,525.92
  5. Step 5: Solve for x
    x = 383,505,525.92/22,449.86
  6. Step 6: Final answer
    x = 17,082.76

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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.