Home / 11,318.16-15,614.78-8,341.10

Finding the Fourth Proportional to 11,318.16, 15,614.78 and 8,341.10

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Solution

The fourth proportional to 11,318.16, 15,614.78 and 8,341.10 is: 11,507.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,318.16 : 15,614.78 = 8,341.10 : x
  2. Step 2: Convert to fraction form
    11,318.16/15,614.78 = 8,341.10/x
  3. Step 3: Cross multiply
    11,318.16x = 15,614.78 × 8,341.10
  4. Step 4: Simplify right side
    11,318.16x = 130,244,321.68
  5. Step 5: Solve for x
    x = 130,244,321.68/11,318.16
  6. Step 6: Final answer
    x = 11,507.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.