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Finding the Fourth Proportional to 10,993.56, 15,171.06 and 6,025.56

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Solution

The fourth proportional to 10,993.56, 15,171.06 and 6,025.56 is: 8,315.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,993.56 : 15,171.06 = 6,025.56 : x
  2. Step 2: Convert to fraction form
    10,993.56/15,171.06 = 6,025.56/x
  3. Step 3: Cross multiply
    10,993.56x = 15,171.06 × 6,025.56
  4. Step 4: Simplify right side
    10,993.56x = 91,414,132.29
  5. Step 5: Solve for x
    x = 91,414,132.29/10,993.56
  6. Step 6: Final answer
    x = 8,315.24

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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.