Home / 19,760.36-29,640.53-8,073.56

Finding the Fourth Proportional to 19,760.36, 29,640.53 and 8,073.56

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Solution

The fourth proportional to 19,760.36, 29,640.53 and 8,073.56 is: 12,110.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,760.36 : 29,640.53 = 8,073.56 : x
  2. Step 2: Convert to fraction form
    19,760.36/29,640.53 = 8,073.56/x
  3. Step 3: Cross multiply
    19,760.36x = 29,640.53 × 8,073.56
  4. Step 4: Simplify right side
    19,760.36x = 239,304,691.67
  5. Step 5: Solve for x
    x = 239,304,691.67/19,760.36
  6. Step 6: Final answer
    x = 12,110.34

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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.