Home / 19,472.40-26,877.42-11,517.39

Finding the Fourth Proportional to 19,472.40, 26,877.42 and 11,517.39

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Solution

The fourth proportional to 19,472.40, 26,877.42 and 11,517.39 is: 15,897.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,472.40 : 26,877.42 = 11,517.39 : x
  2. Step 2: Convert to fraction form
    19,472.40/26,877.42 = 11,517.39/x
  3. Step 3: Cross multiply
    19,472.40x = 26,877.42 × 11,517.39
  4. Step 4: Simplify right side
    19,472.40x = 309,557,728.33
  5. Step 5: Solve for x
    x = 309,557,728.33/19,472.40
  6. Step 6: Final answer
    x = 15,897.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.