Home / 9,836.92-13,559.58-6,687.64

Finding the Fourth Proportional to 9,836.92, 13,559.58 and 6,687.64

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Solution

The fourth proportional to 9,836.92, 13,559.58 and 6,687.64 is: 9,218.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,836.92 : 13,559.58 = 6,687.64 : x
  2. Step 2: Convert to fraction form
    9,836.92/13,559.58 = 6,687.64/x
  3. Step 3: Cross multiply
    9,836.92x = 13,559.58 × 6,687.64
  4. Step 4: Simplify right side
    9,836.92x = 90,681,589.59
  5. Step 5: Solve for x
    x = 90,681,589.59/9,836.92
  6. Step 6: Final answer
    x = 9,218.49

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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.