Home / 10,188.31-15,282.46-6,724.75

Finding the Fourth Proportional to 10,188.31, 15,282.46 and 6,724.75

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Solution

The fourth proportional to 10,188.31, 15,282.46 and 6,724.75 is: 10,087.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,188.31 : 15,282.46 = 6,724.75 : x
  2. Step 2: Convert to fraction form
    10,188.31/15,282.46 = 6,724.75/x
  3. Step 3: Cross multiply
    10,188.31x = 15,282.46 × 6,724.75
  4. Step 4: Simplify right side
    10,188.31x = 102,770,629.66
  5. Step 5: Solve for x
    x = 102,770,629.66/10,188.31
  6. Step 6: Final answer
    x = 10,087.12

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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.