Home / 9,179.03-12,685.73-6,940.19

Finding the Fourth Proportional to 9,179.03, 12,685.73 and 6,940.19

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Solution

The fourth proportional to 9,179.03, 12,685.73 and 6,940.19 is: 9,591.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,179.03 : 12,685.73 = 6,940.19 : x
  2. Step 2: Convert to fraction form
    9,179.03/12,685.73 = 6,940.19/x
  3. Step 3: Cross multiply
    9,179.03x = 12,685.73 × 6,940.19
  4. Step 4: Simplify right side
    9,179.03x = 88,041,278.36
  5. Step 5: Solve for x
    x = 88,041,278.36/9,179.03
  6. Step 6: Final answer
    x = 9,591.57

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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.