Home / 9,954.28-13,736.55-6,419.44

Finding the Fourth Proportional to 9,954.28, 13,736.55 and 6,419.44

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Solution

The fourth proportional to 9,954.28, 13,736.55 and 6,419.44 is: 8,858.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,954.28 : 13,736.55 = 6,419.44 : x
  2. Step 2: Convert to fraction form
    9,954.28/13,736.55 = 6,419.44/x
  3. Step 3: Cross multiply
    9,954.28x = 13,736.55 × 6,419.44
  4. Step 4: Simplify right side
    9,954.28x = 88,180,958.53
  5. Step 5: Solve for x
    x = 88,180,958.53/9,954.28
  6. Step 6: Final answer
    x = 8,858.60

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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.