Home / 11,969.40-16,517.88-6,591.54

Finding the Fourth Proportional to 11,969.40, 16,517.88 and 6,591.54

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Solution

The fourth proportional to 11,969.40, 16,517.88 and 6,591.54 is: 9,096.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,969.40 : 16,517.88 = 6,591.54 : x
  2. Step 2: Convert to fraction form
    11,969.40/16,517.88 = 6,591.54/x
  3. Step 3: Cross multiply
    11,969.40x = 16,517.88 × 6,591.54
  4. Step 4: Simplify right side
    11,969.40x = 108,878,266.74
  5. Step 5: Solve for x
    x = 108,878,266.74/11,969.40
  6. Step 6: Final answer
    x = 9,096.38

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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.