Home / 11,381.52-17,074.60-6,453.36

Finding the Fourth Proportional to 11,381.52, 17,074.60 and 6,453.36

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Solution

The fourth proportional to 11,381.52, 17,074.60 and 6,453.36 is: 9,681.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,381.52 : 17,074.60 = 6,453.36 : x
  2. Step 2: Convert to fraction form
    11,381.52/17,074.60 = 6,453.36/x
  3. Step 3: Cross multiply
    11,381.52x = 17,074.60 × 6,453.36
  4. Step 4: Simplify right side
    11,381.52x = 110,188,540.66
  5. Step 5: Solve for x
    x = 110,188,540.66/11,381.52
  6. Step 6: Final answer
    x = 9,681.36

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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.