Home / 9,947.92-13,728.80-6,584.94

Finding the Fourth Proportional to 9,947.92, 13,728.80 and 6,584.94

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Solution

The fourth proportional to 9,947.92, 13,728.80 and 6,584.94 is: 9,087.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,947.92 : 13,728.80 = 6,584.94 : x
  2. Step 2: Convert to fraction form
    9,947.92/13,728.80 = 6,584.94/x
  3. Step 3: Cross multiply
    9,947.92x = 13,728.80 × 6,584.94
  4. Step 4: Simplify right side
    9,947.92x = 90,403,324.27
  5. Step 5: Solve for x
    x = 90,403,324.27/9,947.92
  6. Step 6: Final answer
    x = 9,087.66

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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.