Home / 22,276.80-30,741.78-12,205.02

Finding the Fourth Proportional to 22,276.80, 30,741.78 and 12,205.02

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Solution

The fourth proportional to 22,276.80, 30,741.78 and 12,205.02 is: 16,842.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,276.80 : 30,741.78 = 12,205.02 : x
  2. Step 2: Convert to fraction form
    22,276.80/30,741.78 = 12,205.02/x
  3. Step 3: Cross multiply
    22,276.80x = 30,741.78 × 12,205.02
  4. Step 4: Simplify right side
    22,276.80x = 375,204,039.74
  5. Step 5: Solve for x
    x = 375,204,039.74/22,276.80
  6. Step 6: Final answer
    x = 16,842.82

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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.