Home / 9,328.32-12,874.68-6,342.12

Finding the Fourth Proportional to 9,328.32, 12,874.68 and 6,342.12

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Solution

The fourth proportional to 9,328.32, 12,874.68 and 6,342.12 is: 8,753.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,328.32 : 12,874.68 = 6,342.12 : x
  2. Step 2: Convert to fraction form
    9,328.32/12,874.68 = 6,342.12/x
  3. Step 3: Cross multiply
    9,328.32x = 12,874.68 × 6,342.12
  4. Step 4: Simplify right side
    9,328.32x = 81,652,765.52
  5. Step 5: Solve for x
    x = 81,652,765.52/9,328.32
  6. Step 6: Final answer
    x = 8,753.21

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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.