Home / 22,302.05-30,777.26-12,229.90

Finding the Fourth Proportional to 22,302.05, 30,777.26 and 12,229.90

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Solution

The fourth proportional to 22,302.05, 30,777.26 and 12,229.90 is: 16,877.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,302.05 : 30,777.26 = 12,229.90 : x
  2. Step 2: Convert to fraction form
    22,302.05/30,777.26 = 12,229.90/x
  3. Step 3: Cross multiply
    22,302.05x = 30,777.26 × 12,229.90
  4. Step 4: Simplify right side
    22,302.05x = 376,402,627.61
  5. Step 5: Solve for x
    x = 376,402,627.61/22,302.05
  6. Step 6: Final answer
    x = 16,877.49

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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.