Home / 11,623.28-17,439.24-5,386.28

Finding the Fourth Proportional to 11,623.28, 17,439.24 and 5,386.28

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Solution

The fourth proportional to 11,623.28, 17,439.24 and 5,386.28 is: 8,081.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,623.28 : 17,439.24 = 5,386.28 : x
  2. Step 2: Convert to fraction form
    11,623.28/17,439.24 = 5,386.28/x
  3. Step 3: Cross multiply
    11,623.28x = 17,439.24 × 5,386.28
  4. Step 4: Simplify right side
    11,623.28x = 93,932,629.63
  5. Step 5: Solve for x
    x = 93,932,629.63/11,623.28
  6. Step 6: Final answer
    x = 8,081.42

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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.