Home / 22,661.22-31,274.46-13,232.82

Finding the Fourth Proportional to 22,661.22, 31,274.46 and 13,232.82

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Solution

The fourth proportional to 22,661.22, 31,274.46 and 13,232.82 is: 18,262.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,661.22 : 31,274.46 = 13,232.82 : x
  2. Step 2: Convert to fraction form
    22,661.22/31,274.46 = 13,232.82/x
  3. Step 3: Cross multiply
    22,661.22x = 31,274.46 × 13,232.82
  4. Step 4: Simplify right side
    22,661.22x = 413,849,299.78
  5. Step 5: Solve for x
    x = 413,849,299.78/22,661.22
  6. Step 6: Final answer
    x = 18,262.45

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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.