Home / 10,286.87-14,187.42-6,305.18

Finding the Fourth Proportional to 10,286.87, 14,187.42 and 6,305.18

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Solution

The fourth proportional to 10,286.87, 14,187.42 and 6,305.18 is: 8,695.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286.87 : 14,187.42 = 6,305.18 : x
  2. Step 2: Convert to fraction form
    10,286.87/14,187.42 = 6,305.18/x
  3. Step 3: Cross multiply
    10,286.87x = 14,187.42 × 6,305.18
  4. Step 4: Simplify right side
    10,286.87x = 89,454,165.90
  5. Step 5: Solve for x
    x = 89,454,165.90/10,286.87
  6. Step 6: Final answer
    x = 8,695.96

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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.