Home / 10,131.82-15,192.03-6,972.97

Finding the Fourth Proportional to 10,131.82, 15,192.03 and 6,972.97

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Solution

The fourth proportional to 10,131.82, 15,192.03 and 6,972.97 is: 10,455.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,131.82 : 15,192.03 = 6,972.97 : x
  2. Step 2: Convert to fraction form
    10,131.82/15,192.03 = 6,972.97/x
  3. Step 3: Cross multiply
    10,131.82x = 15,192.03 × 6,972.97
  4. Step 4: Simplify right side
    10,131.82x = 105,933,569.43
  5. Step 5: Solve for x
    x = 105,933,569.43/10,131.82
  6. Step 6: Final answer
    x = 10,455.53

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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.