Home / 12,604.24-17,382.90-8,126.56

Finding the Fourth Proportional to 12,604.24, 17,382.90 and 8,126.56

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Solution

The fourth proportional to 12,604.24, 17,382.90 and 8,126.56 is: 11,207.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,604.24 : 17,382.90 = 8,126.56 : x
  2. Step 2: Convert to fraction form
    12,604.24/17,382.90 = 8,126.56/x
  3. Step 3: Cross multiply
    12,604.24x = 17,382.90 × 8,126.56
  4. Step 4: Simplify right side
    12,604.24x = 141,263,179.82
  5. Step 5: Solve for x
    x = 141,263,179.82/12,604.24
  6. Step 6: Final answer
    x = 11,207.59

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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.