Home / 12,619.48-18,936.78-5,224.04

Finding the Fourth Proportional to 12,619.48, 18,936.78 and 5,224.04

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Solution

The fourth proportional to 12,619.48, 18,936.78 and 5,224.04 is: 7,839.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,619.48 : 18,936.78 = 5,224.04 : x
  2. Step 2: Convert to fraction form
    12,619.48/18,936.78 = 5,224.04/x
  3. Step 3: Cross multiply
    12,619.48x = 18,936.78 × 5,224.04
  4. Step 4: Simplify right side
    12,619.48x = 98,926,496.19
  5. Step 5: Solve for x
    x = 98,926,496.19/12,619.48
  6. Step 6: Final answer
    x = 7,839.19

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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.