Home / 22,115.67-30,520.23-12,044.55

Finding the Fourth Proportional to 22,115.67, 30,520.23 and 12,044.55

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Solution

The fourth proportional to 22,115.67, 30,520.23 and 12,044.55 is: 16,621.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,115.67 : 30,520.23 = 12,044.55 : x
  2. Step 2: Convert to fraction form
    22,115.67/30,520.23 = 12,044.55/x
  3. Step 3: Cross multiply
    22,115.67x = 30,520.23 × 12,044.55
  4. Step 4: Simplify right side
    22,115.67x = 367,602,436.25
  5. Step 5: Solve for x
    x = 367,602,436.25/22,115.67
  6. Step 6: Final answer
    x = 16,621.81

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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.