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Finding the Fourth Proportional to 11,267.60, 15,549.08 and 6,793.79

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Solution

The fourth proportional to 11,267.60, 15,549.08 and 6,793.79 is: 9,375.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,267.60 : 15,549.08 = 6,793.79 : x
  2. Step 2: Convert to fraction form
    11,267.60/15,549.08 = 6,793.79/x
  3. Step 3: Cross multiply
    11,267.60x = 15,549.08 × 6,793.79
  4. Step 4: Simplify right side
    11,267.60x = 105,637,072.50
  5. Step 5: Solve for x
    x = 105,637,072.50/11,267.60
  6. Step 6: Final answer
    x = 9,375.30

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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.