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Finding the Fourth Proportional to 9,009.59, 13,514.24 and 2,769.68

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Solution

The fourth proportional to 9,009.59, 13,514.24 and 2,769.68 is: 4,154.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,009.59 : 13,514.24 = 2,769.68 : x
  2. Step 2: Convert to fraction form
    9,009.59/13,514.24 = 2,769.68/x
  3. Step 3: Cross multiply
    9,009.59x = 13,514.24 × 2,769.68
  4. Step 4: Simplify right side
    9,009.59x = 37,430,160.95
  5. Step 5: Solve for x
    x = 37,430,160.95/9,009.59
  6. Step 6: Final answer
    x = 4,154.48

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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.