Home / 19,945.62-29,854.50-13,266.72

Finding the Fourth Proportional to 19,945.62, 29,854.50 and 13,266.72

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Solution

The fourth proportional to 19,945.62, 29,854.50 and 13,266.72 is: 19,857.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,945.62 : 29,854.50 = 13,266.72 : x
  2. Step 2: Convert to fraction form
    19,945.62/29,854.50 = 13,266.72/x
  3. Step 3: Cross multiply
    19,945.62x = 29,854.50 × 13,266.72
  4. Step 4: Simplify right side
    19,945.62x = 396,071,292.24
  5. Step 5: Solve for x
    x = 396,071,292.24/19,945.62
  6. Step 6: Final answer
    x = 19,857.56

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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.