Home / 19,545.78-29,326.05-11,760.06

Finding the Fourth Proportional to 19,545.78, 29,326.05 and 11,760.06

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Solution

The fourth proportional to 19,545.78, 29,326.05 and 11,760.06 is: 17,644.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,545.78 : 29,326.05 = 11,760.06 : x
  2. Step 2: Convert to fraction form
    19,545.78/29,326.05 = 11,760.06/x
  3. Step 3: Cross multiply
    19,545.78x = 29,326.05 × 11,760.06
  4. Step 4: Simplify right side
    19,545.78x = 344,876,107.56
  5. Step 5: Solve for x
    x = 344,876,107.56/19,545.78
  6. Step 6: Final answer
    x = 17,644.53

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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.