Home / 10,982.07-16,475.18-4,408.77

Finding the Fourth Proportional to 10,982.07, 16,475.18 and 4,408.77

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Solution

The fourth proportional to 10,982.07, 16,475.18 and 4,408.77 is: 6,613.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,982.07 : 16,475.18 = 4,408.77 : x
  2. Step 2: Convert to fraction form
    10,982.07/16,475.18 = 4,408.77/x
  3. Step 3: Cross multiply
    10,982.07x = 16,475.18 × 4,408.77
  4. Step 4: Simplify right side
    10,982.07x = 72,635,257.28
  5. Step 5: Solve for x
    x = 72,635,257.28/10,982.07
  6. Step 6: Final answer
    x = 6,613.99

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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.