Home / 11,380.86-17,026.26-8,615.52

Finding the Fourth Proportional to 11,380.86, 17,026.26 and 8,615.52

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Solution

The fourth proportional to 11,380.86, 17,026.26 and 8,615.52 is: 12,889.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,380.86 : 17,026.26 = 8,615.52 : x
  2. Step 2: Convert to fraction form
    11,380.86/17,026.26 = 8,615.52/x
  3. Step 3: Cross multiply
    11,380.86x = 17,026.26 × 8,615.52
  4. Step 4: Simplify right side
    11,380.86x = 146,690,083.56
  5. Step 5: Solve for x
    x = 146,690,083.56/11,380.86
  6. Step 6: Final answer
    x = 12,889.19

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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.