Home / 11,173.25-15,419.38-6,327.60

Finding the Fourth Proportional to 11,173.25, 15,419.38 and 6,327.60

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Solution

The fourth proportional to 11,173.25, 15,419.38 and 6,327.60 is: 8,732.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,173.25 : 15,419.38 = 6,327.60 : x
  2. Step 2: Convert to fraction form
    11,173.25/15,419.38 = 6,327.60/x
  3. Step 3: Cross multiply
    11,173.25x = 15,419.38 × 6,327.60
  4. Step 4: Simplify right side
    11,173.25x = 97,567,607.61
  5. Step 5: Solve for x
    x = 97,567,607.61/11,173.25
  6. Step 6: Final answer
    x = 8,732.25

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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.