Home / 22,272.18-30,734.50-12,200.65

Finding the Fourth Proportional to 22,272.18, 30,734.50 and 12,200.65

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Solution

The fourth proportional to 22,272.18, 30,734.50 and 12,200.65 is: 16,836.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,272.18 : 30,734.50 = 12,200.65 : x
  2. Step 2: Convert to fraction form
    22,272.18/30,734.50 = 12,200.65/x
  3. Step 3: Cross multiply
    22,272.18x = 30,734.50 × 12,200.65
  4. Step 4: Simplify right side
    22,272.18x = 374,980,984.76
  5. Step 5: Solve for x
    x = 374,980,984.76/22,272.18
  6. Step 6: Final answer
    x = 16,836.30

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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.