Home / 22,388.88-30,895.05-12,317.73

Finding the Fourth Proportional to 22,388.88, 30,895.05 and 12,317.73

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Solution

The fourth proportional to 22,388.88, 30,895.05 and 12,317.73 is: 16,997.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,388.88 : 30,895.05 = 12,317.73 : x
  2. Step 2: Convert to fraction form
    22,388.88/30,895.05 = 12,317.73/x
  3. Step 3: Cross multiply
    22,388.88x = 30,895.05 × 12,317.73
  4. Step 4: Simplify right side
    22,388.88x = 380,556,884.24
  5. Step 5: Solve for x
    x = 380,556,884.24/22,388.88
  6. Step 6: Final answer
    x = 16,997.58

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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.