Home / 22,655.34-31,262.09-13,229.37

Finding the Fourth Proportional to 22,655.34, 31,262.09 and 13,229.37

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Solution

The fourth proportional to 22,655.34, 31,262.09 and 13,229.37 is: 18,255.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,655.34 : 31,262.09 = 13,229.37 : x
  2. Step 2: Convert to fraction form
    22,655.34/31,262.09 = 13,229.37/x
  3. Step 3: Cross multiply
    22,655.34x = 31,262.09 × 13,229.37
  4. Step 4: Simplify right side
    22,655.34x = 413,577,689.44
  5. Step 5: Solve for x
    x = 413,577,689.44/22,655.34
  6. Step 6: Final answer
    x = 18,255.20

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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.