Home / 12,614.45-17,415.18-8,371.26

Finding the Fourth Proportional to 12,614.45, 17,415.18 and 8,371.26

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Solution

The fourth proportional to 12,614.45, 17,415.18 and 8,371.26 is: 11,557.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,614.45 : 17,415.18 = 8,371.26 : x
  2. Step 2: Convert to fraction form
    12,614.45/17,415.18 = 8,371.26/x
  3. Step 3: Cross multiply
    12,614.45x = 17,415.18 × 8,371.26
  4. Step 4: Simplify right side
    12,614.45x = 145,786,999.73
  5. Step 5: Solve for x
    x = 145,786,999.73/12,614.45
  6. Step 6: Final answer
    x = 11,557.15

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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.