Home / 11,972.31-17,931.12-5,736.75

Finding the Fourth Proportional to 11,972.31, 17,931.12 and 5,736.75

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Solution

The fourth proportional to 11,972.31, 17,931.12 and 5,736.75 is: 8,592.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,972.31 : 17,931.12 = 5,736.75 : x
  2. Step 2: Convert to fraction form
    11,972.31/17,931.12 = 5,736.75/x
  3. Step 3: Cross multiply
    11,972.31x = 17,931.12 × 5,736.75
  4. Step 4: Simplify right side
    11,972.31x = 102,866,352.66
  5. Step 5: Solve for x
    x = 102,866,352.66/11,972.31
  6. Step 6: Final answer
    x = 8,592.02

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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.