Home / 13,472.52-20,186.94-8,786.92

Finding the Fourth Proportional to 13,472.52, 20,186.94 and 8,786.92

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Solution

The fourth proportional to 13,472.52, 20,186.94 and 8,786.92 is: 13,166.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,472.52 : 20,186.94 = 8,786.92 : x
  2. Step 2: Convert to fraction form
    13,472.52/20,186.94 = 8,786.92/x
  3. Step 3: Cross multiply
    13,472.52x = 20,186.94 × 8,786.92
  4. Step 4: Simplify right side
    13,472.52x = 177,381,026.82
  5. Step 5: Solve for x
    x = 177,381,026.82/13,472.52
  6. Step 6: Final answer
    x = 13,166.14

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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.