Home / 22,267.60-30,728.10-12,195.52

Finding the Fourth Proportional to 22,267.60, 30,728.10 and 12,195.52

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Solution

The fourth proportional to 22,267.60, 30,728.10 and 12,195.52 is: 16,829.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,267.60 : 30,728.10 = 12,195.52 : x
  2. Step 2: Convert to fraction form
    22,267.60/30,728.10 = 12,195.52/x
  3. Step 3: Cross multiply
    22,267.60x = 30,728.10 × 12,195.52
  4. Step 4: Simplify right side
    22,267.60x = 374,745,158.11
  5. Step 5: Solve for x
    x = 374,745,158.11/22,267.60
  6. Step 6: Final answer
    x = 16,829.17

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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.