Home / 13,268.47-19,898.46-4,382.15

Finding the Fourth Proportional to 13,268.47, 19,898.46 and 4,382.15

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Solution

The fourth proportional to 13,268.47, 19,898.46 and 4,382.15 is: 6,571.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268.47 : 19,898.46 = 4,382.15 : x
  2. Step 2: Convert to fraction form
    13,268.47/19,898.46 = 4,382.15/x
  3. Step 3: Cross multiply
    13,268.47x = 19,898.46 × 4,382.15
  4. Step 4: Simplify right side
    13,268.47x = 87,197,997.70
  5. Step 5: Solve for x
    x = 87,197,997.70/13,268.47
  6. Step 6: Final answer
    x = 6,571.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.