Home / 9,318.27-13,961.13-7,768.23

Finding the Fourth Proportional to 9,318.27, 13,961.13 and 7,768.23

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Solution

The fourth proportional to 9,318.27, 13,961.13 and 7,768.23 is: 11,638.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,318.27 : 13,961.13 = 7,768.23 : x
  2. Step 2: Convert to fraction form
    9,318.27/13,961.13 = 7,768.23/x
  3. Step 3: Cross multiply
    9,318.27x = 13,961.13 × 7,768.23
  4. Step 4: Simplify right side
    9,318.27x = 108,453,268.90
  5. Step 5: Solve for x
    x = 108,453,268.90/9,318.27
  6. Step 6: Final answer
    x = 11,638.78

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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.