Home / 22,388.75-30,894.45-12,317.62

Finding the Fourth Proportional to 22,388.75, 30,894.45 and 12,317.62

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Solution

The fourth proportional to 22,388.75, 30,894.45 and 12,317.62 is: 16,997.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,388.75 : 30,894.45 = 12,317.62 : x
  2. Step 2: Convert to fraction form
    22,388.75/30,894.45 = 12,317.62/x
  3. Step 3: Cross multiply
    22,388.75x = 30,894.45 × 12,317.62
  4. Step 4: Simplify right side
    22,388.75x = 380,545,940.74
  5. Step 5: Solve for x
    x = 380,545,940.74/22,388.75
  6. Step 6: Final answer
    x = 16,997.19

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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.