Home / 9,939.80-13,716.94-5,463.55

Finding the Fourth Proportional to 9,939.80, 13,716.94 and 5,463.55

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Solution

The fourth proportional to 9,939.80, 13,716.94 and 5,463.55 is: 7,539.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939.80 : 13,716.94 = 5,463.55 : x
  2. Step 2: Convert to fraction form
    9,939.80/13,716.94 = 5,463.55/x
  3. Step 3: Cross multiply
    9,939.80x = 13,716.94 × 5,463.55
  4. Step 4: Simplify right side
    9,939.80x = 74,943,187.54
  5. Step 5: Solve for x
    x = 74,943,187.54/9,939.80
  6. Step 6: Final answer
    x = 7,539.71

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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.