Home / 9,912.93-13,684.19-6,940.42

Finding the Fourth Proportional to 9,912.93, 13,684.19 and 6,940.42

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Solution

The fourth proportional to 9,912.93, 13,684.19 and 6,940.42 is: 9,580.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,912.93 : 13,684.19 = 6,940.42 : x
  2. Step 2: Convert to fraction form
    9,912.93/13,684.19 = 6,940.42/x
  3. Step 3: Cross multiply
    9,912.93x = 13,684.19 × 6,940.42
  4. Step 4: Simplify right side
    9,912.93x = 94,974,025.96
  5. Step 5: Solve for x
    x = 94,974,025.96/9,912.93
  6. Step 6: Final answer
    x = 9,580.82

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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.