Home / 11,247.35-16,871.18-5,402.61

Finding the Fourth Proportional to 11,247.35, 16,871.18 and 5,402.61

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Solution

The fourth proportional to 11,247.35, 16,871.18 and 5,402.61 is: 8,103.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,247.35 : 16,871.18 = 5,402.61 : x
  2. Step 2: Convert to fraction form
    11,247.35/16,871.18 = 5,402.61/x
  3. Step 3: Cross multiply
    11,247.35x = 16,871.18 × 5,402.61
  4. Step 4: Simplify right side
    11,247.35x = 91,148,378.77
  5. Step 5: Solve for x
    x = 91,148,378.77/11,247.35
  6. Step 6: Final answer
    x = 8,103.99

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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.