Home / 9,091.24-13,630.78-7,338.40

Finding the Fourth Proportional to 9,091.24, 13,630.78 and 7,338.40

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Solution

The fourth proportional to 9,091.24, 13,630.78 and 7,338.40 is: 11,002.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,091.24 : 13,630.78 = 7,338.40 : x
  2. Step 2: Convert to fraction form
    9,091.24/13,630.78 = 7,338.40/x
  3. Step 3: Cross multiply
    9,091.24x = 13,630.78 × 7,338.40
  4. Step 4: Simplify right side
    9,091.24x = 100,028,091.05
  5. Step 5: Solve for x
    x = 100,028,091.05/9,091.24
  6. Step 6: Final answer
    x = 11,002.69

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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.