Home / 13,214.28-19,804.39-5,816.82

Finding the Fourth Proportional to 13,214.28, 19,804.39 and 5,816.82

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Solution

The fourth proportional to 13,214.28, 19,804.39 and 5,816.82 is: 8,717.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,214.28 : 19,804.39 = 5,816.82 : x
  2. Step 2: Convert to fraction form
    13,214.28/19,804.39 = 5,816.82/x
  3. Step 3: Cross multiply
    13,214.28x = 19,804.39 × 5,816.82
  4. Step 4: Simplify right side
    13,214.28x = 115,198,571.84
  5. Step 5: Solve for x
    x = 115,198,571.84/13,214.28
  6. Step 6: Final answer
    x = 8,717.73

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1.5x scale

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.