Home / 22,180.34-30,611.57-12,622.57

Finding the Fourth Proportional to 22,180.34, 30,611.57 and 12,622.57

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Solution

The fourth proportional to 22,180.34, 30,611.57 and 12,622.57 is: 17,420.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,180.34 : 30,611.57 = 12,622.57 : x
  2. Step 2: Convert to fraction form
    22,180.34/30,611.57 = 12,622.57/x
  3. Step 3: Cross multiply
    22,180.34x = 30,611.57 × 12,622.57
  4. Step 4: Simplify right side
    22,180.34x = 386,396,545.49
  5. Step 5: Solve for x
    x = 386,396,545.49/22,180.34
  6. Step 6: Final answer
    x = 17,420.68

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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.