Home / 19,422-26,802.36-11,039.04

Finding the Fourth Proportional to 19,422, 26,802.36 and 11,039.04

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Solution

The fourth proportional to 19,422, 26,802.36 and 11,039.04 is: 15,233.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,422 : 26,802.36 = 11,039.04 : x
  2. Step 2: Convert to fraction form
    19,422/26,802.36 = 11,039.04/x
  3. Step 3: Cross multiply
    19,422x = 26,802.36 × 11,039.04
  4. Step 4: Simplify right side
    19,422x = 295,872,324.13
  5. Step 5: Solve for x
    x = 295,872,324.13/19,422
  6. Step 6: Final answer
    x = 15,233.88

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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.