Home / 19,650.60-29,481.33-6,512.20

Finding the Fourth Proportional to 19,650.60, 29,481.33 and 6,512.20

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Solution

The fourth proportional to 19,650.60, 29,481.33 and 6,512.20 is: 9,770.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,650.60 : 29,481.33 = 6,512.20 : x
  2. Step 2: Convert to fraction form
    19,650.60/29,481.33 = 6,512.20/x
  3. Step 3: Cross multiply
    19,650.60x = 29,481.33 × 6,512.20
  4. Step 4: Simplify right side
    19,650.60x = 191,988,317.23
  5. Step 5: Solve for x
    x = 191,988,317.23/19,650.60
  6. Step 6: Final answer
    x = 9,770.10

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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.