Home / 9,330.42-12,878.55-6,351.24

Finding the Fourth Proportional to 9,330.42, 12,878.55 and 6,351.24

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Solution

The fourth proportional to 9,330.42, 12,878.55 and 6,351.24 is: 8,766.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,330.42 : 12,878.55 = 6,351.24 : x
  2. Step 2: Convert to fraction form
    9,330.42/12,878.55 = 6,351.24/x
  3. Step 3: Cross multiply
    9,330.42x = 12,878.55 × 6,351.24
  4. Step 4: Simplify right side
    9,330.42x = 81,794,761.90
  5. Step 5: Solve for x
    x = 81,794,761.90/9,330.42
  6. Step 6: Final answer
    x = 8,766.46

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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.