Home / 22,232.88-30,680.06-12,671.46

Finding the Fourth Proportional to 22,232.88, 30,680.06 and 12,671.46

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Solution

The fourth proportional to 22,232.88, 30,680.06 and 12,671.46 is: 17,485.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,232.88 : 30,680.06 = 12,671.46 : x
  2. Step 2: Convert to fraction form
    22,232.88/30,680.06 = 12,671.46/x
  3. Step 3: Cross multiply
    22,232.88x = 30,680.06 × 12,671.46
  4. Step 4: Simplify right side
    22,232.88x = 388,761,089.73
  5. Step 5: Solve for x
    x = 388,761,089.73/22,232.88
  6. Step 6: Final answer
    x = 17,485.86

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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.