Home / 11,172.79-16,761.35-4,246.75

Finding the Fourth Proportional to 11,172.79, 16,761.35 and 4,246.75

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Solution

The fourth proportional to 11,172.79, 16,761.35 and 4,246.75 is: 6,370.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,172.79 : 16,761.35 = 4,246.75 : x
  2. Step 2: Convert to fraction form
    11,172.79/16,761.35 = 4,246.75/x
  3. Step 3: Cross multiply
    11,172.79x = 16,761.35 × 4,246.75
  4. Step 4: Simplify right side
    11,172.79x = 71,181,263.11
  5. Step 5: Solve for x
    x = 71,181,263.11/11,172.79
  6. Step 6: Final answer
    x = 6,370.95

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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.