Home / 10,193.72-14,067.70-5,717.48

Finding the Fourth Proportional to 10,193.72, 14,067.70 and 5,717.48

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Solution

The fourth proportional to 10,193.72, 14,067.70 and 5,717.48 is: 7,890.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,193.72 : 14,067.70 = 5,717.48 : x
  2. Step 2: Convert to fraction form
    10,193.72/14,067.70 = 5,717.48/x
  3. Step 3: Cross multiply
    10,193.72x = 14,067.70 × 5,717.48
  4. Step 4: Simplify right side
    10,193.72x = 80,431,793.40
  5. Step 5: Solve for x
    x = 80,431,793.40/10,193.72
  6. Step 6: Final answer
    x = 7,890.33

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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.