Home / 19,540.80-29,323.49-11,237.02

Finding the Fourth Proportional to 19,540.80, 29,323.49 and 11,237.02

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Solution

The fourth proportional to 19,540.80, 29,323.49 and 11,237.02 is: 16,862.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,540.80 : 29,323.49 = 11,237.02 : x
  2. Step 2: Convert to fraction form
    19,540.80/29,323.49 = 11,237.02/x
  3. Step 3: Cross multiply
    19,540.80x = 29,323.49 × 11,237.02
  4. Step 4: Simplify right side
    19,540.80x = 329,508,514.11
  5. Step 5: Solve for x
    x = 329,508,514.11/19,540.80
  6. Step 6: Final answer
    x = 16,862.59

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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.