Home / 11,769.50-17,654.21-7,390.03

Finding the Fourth Proportional to 11,769.50, 17,654.21 and 7,390.03

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Solution

The fourth proportional to 11,769.50, 17,654.21 and 7,390.03 is: 11,085.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,769.50 : 17,654.21 = 7,390.03 : x
  2. Step 2: Convert to fraction form
    11,769.50/17,654.21 = 7,390.03/x
  3. Step 3: Cross multiply
    11,769.50x = 17,654.21 × 7,390.03
  4. Step 4: Simplify right side
    11,769.50x = 130,465,115.87
  5. Step 5: Solve for x
    x = 130,465,115.87/11,769.50
  6. Step 6: Final answer
    x = 11,085.02

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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.