Home / 10,912.20-15,060.06-6,197.28

Finding the Fourth Proportional to 10,912.20, 15,060.06 and 6,197.28

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Solution

The fourth proportional to 10,912.20, 15,060.06 and 6,197.28 is: 8,552.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,912.20 : 15,060.06 = 6,197.28 : x
  2. Step 2: Convert to fraction form
    10,912.20/15,060.06 = 6,197.28/x
  3. Step 3: Cross multiply
    10,912.20x = 15,060.06 × 6,197.28
  4. Step 4: Simplify right side
    10,912.20x = 93,331,408.64
  5. Step 5: Solve for x
    x = 93,331,408.64/10,912.20
  6. Step 6: Final answer
    x = 8,552.94

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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.