Home / 22,140.24-30,553.08-12,204.24

Finding the Fourth Proportional to 22,140.24, 30,553.08 and 12,204.24

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Solution

The fourth proportional to 22,140.24, 30,553.08 and 12,204.24 is: 16,841.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,140.24 : 30,553.08 = 12,204.24 : x
  2. Step 2: Convert to fraction form
    22,140.24/30,553.08 = 12,204.24/x
  3. Step 3: Cross multiply
    22,140.24x = 30,553.08 × 12,204.24
  4. Step 4: Simplify right side
    22,140.24x = 372,877,121.06
  5. Step 5: Solve for x
    x = 372,877,121.06/22,140.24
  6. Step 6: Final answer
    x = 16,841.60

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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.