Home / 9,939.81-13,716.24-5,463.75

Finding the Fourth Proportional to 9,939.81, 13,716.24 and 5,463.75

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Solution

The fourth proportional to 9,939.81, 13,716.24 and 5,463.75 is: 7,539.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939.81 : 13,716.24 = 5,463.75 : x
  2. Step 2: Convert to fraction form
    9,939.81/13,716.24 = 5,463.75/x
  3. Step 3: Cross multiply
    9,939.81x = 13,716.24 × 5,463.75
  4. Step 4: Simplify right side
    9,939.81x = 74,942,106.30
  5. Step 5: Solve for x
    x = 74,942,106.30/9,939.81
  6. Step 6: Final answer
    x = 7,539.59

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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.