Home / 22,604.27-31,192.98-12,395.09

Finding the Fourth Proportional to 22,604.27, 31,192.98 and 12,395.09

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Solution

The fourth proportional to 22,604.27, 31,192.98 and 12,395.09 is: 17,104.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,604.27 : 31,192.98 = 12,395.09 : x
  2. Step 2: Convert to fraction form
    22,604.27/31,192.98 = 12,395.09/x
  3. Step 3: Cross multiply
    22,604.27x = 31,192.98 × 12,395.09
  4. Step 4: Simplify right side
    22,604.27x = 386,639,794.47
  5. Step 5: Solve for x
    x = 386,639,794.47/22,604.27
  6. Step 6: Final answer
    x = 17,104.72

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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.