Home / 11,538.57-17,313.33-6,867.81

Finding the Fourth Proportional to 11,538.57, 17,313.33 and 6,867.81

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Solution

The fourth proportional to 11,538.57, 17,313.33 and 6,867.81 is: 10,304.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,538.57 : 17,313.33 = 6,867.81 : x
  2. Step 2: Convert to fraction form
    11,538.57/17,313.33 = 6,867.81/x
  3. Step 3: Cross multiply
    11,538.57x = 17,313.33 × 6,867.81
  4. Step 4: Simplify right side
    11,538.57x = 118,904,660.91
  5. Step 5: Solve for x
    x = 118,904,660.91/11,538.57
  6. Step 6: Final answer
    x = 10,304.97

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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.