Home / 14,645.40-21,951.90-8,076.30

Finding the Fourth Proportional to 14,645.40, 21,951.90 and 8,076.30

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Solution

The fourth proportional to 14,645.40, 21,951.90 and 8,076.30 is: 12,105.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,645.40 : 21,951.90 = 8,076.30 : x
  2. Step 2: Convert to fraction form
    14,645.40/21,951.90 = 8,076.30/x
  3. Step 3: Cross multiply
    14,645.40x = 21,951.90 × 8,076.30
  4. Step 4: Simplify right side
    14,645.40x = 177,290,129.97
  5. Step 5: Solve for x
    x = 177,290,129.97/14,645.40
  6. Step 6: Final answer
    x = 12,105.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.