Home / 22,396.85-30,906.99-12,325.29

Finding the Fourth Proportional to 22,396.85, 30,906.99 and 12,325.29

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Solution

The fourth proportional to 22,396.85, 30,906.99 and 12,325.29 is: 17,008.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,396.85 : 30,906.99 = 12,325.29 : x
  2. Step 2: Convert to fraction form
    22,396.85/30,906.99 = 12,325.29/x
  3. Step 3: Cross multiply
    22,396.85x = 30,906.99 × 12,325.29
  4. Step 4: Simplify right side
    22,396.85x = 380,937,498.88
  5. Step 5: Solve for x
    x = 380,937,498.88/22,396.85
  6. Step 6: Final answer
    x = 17,008.53

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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.