Home / 22,010.09-30,373.92-12,578.66

Finding the Fourth Proportional to 22,010.09, 30,373.92 and 12,578.66

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Solution

The fourth proportional to 22,010.09, 30,373.92 and 12,578.66 is: 17,358.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,010.09 : 30,373.92 = 12,578.66 : x
  2. Step 2: Convert to fraction form
    22,010.09/30,373.92 = 12,578.66/x
  3. Step 3: Cross multiply
    22,010.09x = 30,373.92 × 12,578.66
  4. Step 4: Simplify right side
    22,010.09x = 382,063,060.68
  5. Step 5: Solve for x
    x = 382,063,060.68/22,010.09
  6. Step 6: Final answer
    x = 17,358.55

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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.