Home / 15,249.62-21,044.90-8,536.42

Finding the Fourth Proportional to 15,249.62, 21,044.90 and 8,536.42

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Solution

The fourth proportional to 15,249.62, 21,044.90 and 8,536.42 is: 11,780.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,249.62 : 21,044.90 = 8,536.42 : x
  2. Step 2: Convert to fraction form
    15,249.62/21,044.90 = 8,536.42/x
  3. Step 3: Cross multiply
    15,249.62x = 21,044.90 × 8,536.42
  4. Step 4: Simplify right side
    15,249.62x = 179,648,105.26
  5. Step 5: Solve for x
    x = 179,648,105.26/15,249.62
  6. Step 6: Final answer
    x = 11,780.50

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1.5x scale

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.