Home / 15,198.86-22,782.70-5,836.36

Finding the Fourth Proportional to 15,198.86, 22,782.70 and 5,836.36

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Solution

The fourth proportional to 15,198.86, 22,782.70 and 5,836.36 is: 8,748.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,198.86 : 22,782.70 = 5,836.36 : x
  2. Step 2: Convert to fraction form
    15,198.86/22,782.70 = 5,836.36/x
  3. Step 3: Cross multiply
    15,198.86x = 22,782.70 × 5,836.36
  4. Step 4: Simplify right side
    15,198.86x = 132,967,982.02
  5. Step 5: Solve for x
    x = 132,967,982.02/15,198.86
  6. Step 6: Final answer
    x = 8,748.55

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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.