Home / 9,682.75-13,360.15-6,330.49

Finding the Fourth Proportional to 9,682.75, 13,360.15 and 6,330.49

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Solution

The fourth proportional to 9,682.75, 13,360.15 and 6,330.49 is: 8,734.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,682.75 : 13,360.15 = 6,330.49 : x
  2. Step 2: Convert to fraction form
    9,682.75/13,360.15 = 6,330.49/x
  3. Step 3: Cross multiply
    9,682.75x = 13,360.15 × 6,330.49
  4. Step 4: Simplify right side
    9,682.75x = 84,576,295.97
  5. Step 5: Solve for x
    x = 84,576,295.97/9,682.75
  6. Step 6: Final answer
    x = 8,734.74

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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.