Home / 9,949.10-13,727.27-6,408.05

Finding the Fourth Proportional to 9,949.10, 13,727.27 and 6,408.05

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Solution

The fourth proportional to 9,949.10, 13,727.27 and 6,408.05 is: 8,841.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,949.10 : 13,727.27 = 6,408.05 : x
  2. Step 2: Convert to fraction form
    9,949.10/13,727.27 = 6,408.05/x
  3. Step 3: Cross multiply
    9,949.10x = 13,727.27 × 6,408.05
  4. Step 4: Simplify right side
    9,949.10x = 87,965,034.80
  5. Step 5: Solve for x
    x = 87,965,034.80/9,949.10
  6. Step 6: Final answer
    x = 8,841.50

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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.