Home / 22,204.39-30,641.70-12,132.61

Finding the Fourth Proportional to 22,204.39, 30,641.70 and 12,132.61

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Solution

The fourth proportional to 22,204.39, 30,641.70 and 12,132.61 is: 16,742.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,204.39 : 30,641.70 = 12,132.61 : x
  2. Step 2: Convert to fraction form
    22,204.39/30,641.70 = 12,132.61/x
  3. Step 3: Cross multiply
    22,204.39x = 30,641.70 × 12,132.61
  4. Step 4: Simplify right side
    22,204.39x = 371,763,795.84
  5. Step 5: Solve for x
    x = 371,763,795.84/22,204.39
  6. Step 6: Final answer
    x = 16,742.81

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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.