Home / 22,401.90-30,912.93-12,841.70

Finding the Fourth Proportional to 22,401.90, 30,912.93 and 12,841.70

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Solution

The fourth proportional to 22,401.90, 30,912.93 and 12,841.70 is: 17,720.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,401.90 : 30,912.93 = 12,841.70 : x
  2. Step 2: Convert to fraction form
    22,401.90/30,912.93 = 12,841.70/x
  3. Step 3: Cross multiply
    22,401.90x = 30,912.93 × 12,841.70
  4. Step 4: Simplify right side
    22,401.90x = 396,974,418.62
  5. Step 5: Solve for x
    x = 396,974,418.62/22,401.90
  6. Step 6: Final answer
    x = 17,720.57

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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.