Home / 11,408.53-15,751.20-10,211.44

Finding the Fourth Proportional to 11,408.53, 15,751.20 and 10,211.44

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Solution

The fourth proportional to 11,408.53, 15,751.20 and 10,211.44 is: 14,098.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,408.53 : 15,751.20 = 10,211.44 : x
  2. Step 2: Convert to fraction form
    11,408.53/15,751.20 = 10,211.44/x
  3. Step 3: Cross multiply
    11,408.53x = 15,751.20 × 10,211.44
  4. Step 4: Simplify right side
    11,408.53x = 160,842,433.73
  5. Step 5: Solve for x
    x = 160,842,433.73/11,408.53
  6. Step 6: Final answer
    x = 14,098.44

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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.