Home / 22,372.49-30,874.76-12,301.66

Finding the Fourth Proportional to 22,372.49, 30,874.76 and 12,301.66

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Solution

The fourth proportional to 22,372.49, 30,874.76 and 12,301.66 is: 16,976.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,372.49 : 30,874.76 = 12,301.66 : x
  2. Step 2: Convert to fraction form
    22,372.49/30,874.76 = 12,301.66/x
  3. Step 3: Cross multiply
    22,372.49x = 30,874.76 × 12,301.66
  4. Step 4: Simplify right side
    22,372.49x = 379,810,823.32
  5. Step 5: Solve for x
    x = 379,810,823.32/22,372.49
  6. Step 6: Final answer
    x = 16,976.69

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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.