Home / 22,202.27-30,638.77-12,130.49

Finding the Fourth Proportional to 22,202.27, 30,638.77 and 12,130.49

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Solution

The fourth proportional to 22,202.27, 30,638.77 and 12,130.49 is: 16,739.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,202.27 : 30,638.77 = 12,130.49 : x
  2. Step 2: Convert to fraction form
    22,202.27/30,638.77 = 12,130.49/x
  3. Step 3: Cross multiply
    22,202.27x = 30,638.77 × 12,130.49
  4. Step 4: Simplify right side
    22,202.27x = 371,663,232.44
  5. Step 5: Solve for x
    x = 371,663,232.44/22,202.27
  6. Step 6: Final answer
    x = 16,739.88

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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.