Home / 22,276.89-30,742.08-12,205.96

Finding the Fourth Proportional to 22,276.89, 30,742.08 and 12,205.96

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Solution

The fourth proportional to 22,276.89, 30,742.08 and 12,205.96 is: 16,844.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,276.89 : 30,742.08 = 12,205.96 : x
  2. Step 2: Convert to fraction form
    22,276.89/30,742.08 = 12,205.96/x
  3. Step 3: Cross multiply
    22,276.89x = 30,742.08 × 12,205.96
  4. Step 4: Simplify right side
    22,276.89x = 375,236,598.80
  5. Step 5: Solve for x
    x = 375,236,598.80/22,276.89
  6. Step 6: Final answer
    x = 16,844.21

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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.