Home / 15,837.68-23,787.28-11,661.20

Finding the Fourth Proportional to 15,837.68, 23,787.28 and 11,661.20

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Solution

The fourth proportional to 15,837.68, 23,787.28 and 11,661.20 is: 17,514.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,837.68 : 23,787.28 = 11,661.20 : x
  2. Step 2: Convert to fraction form
    15,837.68/23,787.28 = 11,661.20/x
  3. Step 3: Cross multiply
    15,837.68x = 23,787.28 × 11,661.20
  4. Step 4: Simplify right side
    15,837.68x = 277,388,081.45
  5. Step 5: Solve for x
    x = 277,388,081.45/15,837.68
  6. Step 6: Final answer
    x = 17,514.44

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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.