Home / 22,454.70-30,987.71-12,383.54

Finding the Fourth Proportional to 22,454.70, 30,987.71 and 12,383.54

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Solution

The fourth proportional to 22,454.70, 30,987.71 and 12,383.54 is: 17,089.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,454.70 : 30,987.71 = 12,383.54 : x
  2. Step 2: Convert to fraction form
    22,454.70/30,987.71 = 12,383.54/x
  3. Step 3: Cross multiply
    22,454.70x = 30,987.71 × 12,383.54
  4. Step 4: Simplify right side
    22,454.70x = 383,737,546.29
  5. Step 5: Solve for x
    x = 383,737,546.29/22,454.70
  6. Step 6: Final answer
    x = 17,089.41

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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.