Home / 22,780.12-34,168.84-8,746.88

Finding the Fourth Proportional to 22,780.12, 34,168.84 and 8,746.88

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Solution

The fourth proportional to 22,780.12, 34,168.84 and 8,746.88 is: 13,119.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,780.12 : 34,168.84 = 8,746.88 : x
  2. Step 2: Convert to fraction form
    22,780.12/34,168.84 = 8,746.88/x
  3. Step 3: Cross multiply
    22,780.12x = 34,168.84 × 8,746.88
  4. Step 4: Simplify right side
    22,780.12x = 298,870,743.22
  5. Step 5: Solve for x
    x = 298,870,743.22/22,780.12
  6. Step 6: Final answer
    x = 13,119.81

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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.