Home / 22,201.46-30,637.62-12,129.65

Finding the Fourth Proportional to 22,201.46, 30,637.62 and 12,129.65

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Solution

The fourth proportional to 22,201.46, 30,637.62 and 12,129.65 is: 16,738.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,201.46 : 30,637.62 = 12,129.65 : x
  2. Step 2: Convert to fraction form
    22,201.46/30,637.62 = 12,129.65/x
  3. Step 3: Cross multiply
    22,201.46x = 30,637.62 × 12,129.65
  4. Step 4: Simplify right side
    22,201.46x = 371,623,684.03
  5. Step 5: Solve for x
    x = 371,623,684.03/22,201.46
  6. Step 6: Final answer
    x = 16,738.70

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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.