Home / 14,635.60-21,996.60-12,734.80

Finding the Fourth Proportional to 14,635.60, 21,996.60 and 12,734.80

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Solution

The fourth proportional to 14,635.60, 21,996.60 and 12,734.80 is: 19,139.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,635.60 : 21,996.60 = 12,734.80 : x
  2. Step 2: Convert to fraction form
    14,635.60/21,996.60 = 12,734.80/x
  3. Step 3: Cross multiply
    14,635.60x = 21,996.60 × 12,734.80
  4. Step 4: Simplify right side
    14,635.60x = 280,122,301.68
  5. Step 5: Solve for x
    x = 280,122,301.68/14,635.60
  6. Step 6: Final answer
    x = 19,139.79

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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.