Home / 22,680.10-31,299.06-12,608.16

Finding the Fourth Proportional to 22,680.10, 31,299.06 and 12,608.16

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Solution

The fourth proportional to 22,680.10, 31,299.06 and 12,608.16 is: 17,399.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,680.10 : 31,299.06 = 12,608.16 : x
  2. Step 2: Convert to fraction form
    22,680.10/31,299.06 = 12,608.16/x
  3. Step 3: Cross multiply
    22,680.10x = 31,299.06 × 12,608.16
  4. Step 4: Simplify right side
    22,680.10x = 394,623,556.33
  5. Step 5: Solve for x
    x = 394,623,556.33/22,680.10
  6. Step 6: Final answer
    x = 17,399.55

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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.