Home / 21,194.62-31,792.54-5,612.26

Finding the Fourth Proportional to 21,194.62, 31,792.54 and 5,612.26

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Solution

The fourth proportional to 21,194.62, 31,792.54 and 5,612.26 is: 8,418.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,194.62 : 31,792.54 = 5,612.26 : x
  2. Step 2: Convert to fraction form
    21,194.62/31,792.54 = 5,612.26/x
  3. Step 3: Cross multiply
    21,194.62x = 31,792.54 × 5,612.26
  4. Step 4: Simplify right side
    21,194.62x = 178,428,000.54
  5. Step 5: Solve for x
    x = 178,428,000.54/21,194.62
  6. Step 6: Final answer
    x = 8,418.55

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1.5x scale

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.