Home / 9,331.48-13,996.78-3,487.64

Finding the Fourth Proportional to 9,331.48, 13,996.78 and 3,487.64

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Solution

The fourth proportional to 9,331.48, 13,996.78 and 3,487.64 is: 5,231.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,331.48 : 13,996.78 = 3,487.64 : x
  2. Step 2: Convert to fraction form
    9,331.48/13,996.78 = 3,487.64/x
  3. Step 3: Cross multiply
    9,331.48x = 13,996.78 × 3,487.64
  4. Step 4: Simplify right side
    9,331.48x = 48,815,729.80
  5. Step 5: Solve for x
    x = 48,815,729.80/9,331.48
  6. Step 6: Final answer
    x = 5,231.30

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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.