Home / 9,099.11-13,620.41-4,928.76

Finding the Fourth Proportional to 9,099.11, 13,620.41 and 4,928.76

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Solution

The fourth proportional to 9,099.11, 13,620.41 and 4,928.76 is: 7,377.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,099.11 : 13,620.41 = 4,928.76 : x
  2. Step 2: Convert to fraction form
    9,099.11/13,620.41 = 4,928.76/x
  3. Step 3: Cross multiply
    9,099.11x = 13,620.41 × 4,928.76
  4. Step 4: Simplify right side
    9,099.11x = 67,131,731.99
  5. Step 5: Solve for x
    x = 67,131,731.99/9,099.11
  6. Step 6: Final answer
    x = 7,377.83

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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.