Home / 19,659.40-29,493.20-6,512.79

Finding the Fourth Proportional to 19,659.40, 29,493.20 and 6,512.79

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Solution

The fourth proportional to 19,659.40, 29,493.20 and 6,512.79 is: 9,770.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,659.40 : 29,493.20 = 6,512.79 : x
  2. Step 2: Convert to fraction form
    19,659.40/29,493.20 = 6,512.79/x
  3. Step 3: Cross multiply
    19,659.40x = 29,493.20 × 6,512.79
  4. Step 4: Simplify right side
    19,659.40x = 192,083,018.03
  5. Step 5: Solve for x
    x = 192,083,018.03/19,659.40
  6. Step 6: Final answer
    x = 9,770.54

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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.