Home / 10,608.66-15,922.71-5,418.18

Finding the Fourth Proportional to 10,608.66, 15,922.71 and 5,418.18

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Solution

The fourth proportional to 10,608.66, 15,922.71 and 5,418.18 is: 8,132.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,608.66 : 15,922.71 = 5,418.18 : x
  2. Step 2: Convert to fraction form
    10,608.66/15,922.71 = 5,418.18/x
  3. Step 3: Cross multiply
    10,608.66x = 15,922.71 × 5,418.18
  4. Step 4: Simplify right side
    10,608.66x = 86,272,108.87
  5. Step 5: Solve for x
    x = 86,272,108.87/10,608.66
  6. Step 6: Final answer
    x = 8,132.23

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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.