Home / 9,091.05-13,630.50-7,338.21

Finding the Fourth Proportional to 9,091.05, 13,630.50 and 7,338.21

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Solution

The fourth proportional to 9,091.05, 13,630.50 and 7,338.21 is: 11,002.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,091.05 : 13,630.50 = 7,338.21 : x
  2. Step 2: Convert to fraction form
    9,091.05/13,630.50 = 7,338.21/x
  3. Step 3: Cross multiply
    9,091.05x = 13,630.50 × 7,338.21
  4. Step 4: Simplify right side
    9,091.05x = 100,023,471.41
  5. Step 5: Solve for x
    x = 100,023,471.41/9,091.05
  6. Step 6: Final answer
    x = 11,002.41

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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.