Home / 11,748.78-16,197.62-9,334.15

Finding the Fourth Proportional to 11,748.78, 16,197.62 and 9,334.15

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Solution

The fourth proportional to 11,748.78, 16,197.62 and 9,334.15 is: 12,868.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,748.78 : 16,197.62 = 9,334.15 : x
  2. Step 2: Convert to fraction form
    11,748.78/16,197.62 = 9,334.15/x
  3. Step 3: Cross multiply
    11,748.78x = 16,197.62 × 9,334.15
  4. Step 4: Simplify right side
    11,748.78x = 151,190,927.56
  5. Step 5: Solve for x
    x = 151,190,927.56/11,748.78
  6. Step 6: Final answer
    x = 12,868.65

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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.