Home / 10,608.13-15,912.20-3,212.42

Finding the Fourth Proportional to 10,608.13, 15,912.20 and 3,212.42

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Solution

The fourth proportional to 10,608.13, 15,912.20 and 3,212.42 is: 4,818.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,608.13 : 15,912.20 = 3,212.42 : x
  2. Step 2: Convert to fraction form
    10,608.13/15,912.20 = 3,212.42/x
  3. Step 3: Cross multiply
    10,608.13x = 15,912.20 × 3,212.42
  4. Step 4: Simplify right side
    10,608.13x = 51,116,669.52
  5. Step 5: Solve for x
    x = 51,116,669.52/10,608.13
  6. Step 6: Final answer
    x = 4,818.63

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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.