Home / 9,318.34-12,863.57-6,257.31

Finding the Fourth Proportional to 9,318.34, 12,863.57 and 6,257.31

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Solution

The fourth proportional to 9,318.34, 12,863.57 and 6,257.31 is: 8,637.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,318.34 : 12,863.57 = 6,257.31 : x
  2. Step 2: Convert to fraction form
    9,318.34/12,863.57 = 6,257.31/x
  3. Step 3: Cross multiply
    9,318.34x = 12,863.57 × 6,257.31
  4. Step 4: Simplify right side
    9,318.34x = 80,491,345.20
  5. Step 5: Solve for x
    x = 80,491,345.20/9,318.34
  6. Step 6: Final answer
    x = 8,637.95

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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.