Home / 9,939.66-13,716.68-5,463.50

Finding the Fourth Proportional to 9,939.66, 13,716.68 and 5,463.50

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Solution

The fourth proportional to 9,939.66, 13,716.68 and 5,463.50 is: 7,539.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939.66 : 13,716.68 = 5,463.50 : x
  2. Step 2: Convert to fraction form
    9,939.66/13,716.68 = 5,463.50/x
  3. Step 3: Cross multiply
    9,939.66x = 13,716.68 × 5,463.50
  4. Step 4: Simplify right side
    9,939.66x = 74,941,081.18
  5. Step 5: Solve for x
    x = 74,941,081.18/9,939.66
  6. Step 6: Final answer
    x = 7,539.60

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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.