Home / 11,812.23-17,691.56-9,158.47

Finding the Fourth Proportional to 11,812.23, 17,691.56 and 9,158.47

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Solution

The fourth proportional to 11,812.23, 17,691.56 and 9,158.47 is: 13,716.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,812.23 : 17,691.56 = 9,158.47 : x
  2. Step 2: Convert to fraction form
    11,812.23/17,691.56 = 9,158.47/x
  3. Step 3: Cross multiply
    11,812.23x = 17,691.56 × 9,158.47
  4. Step 4: Simplify right side
    11,812.23x = 162,027,617.35
  5. Step 5: Solve for x
    x = 162,027,617.35/11,812.23
  6. Step 6: Final answer
    x = 13,716.94

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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.