Home / 9,940.05-13,711.54-6,207.57

Finding the Fourth Proportional to 9,940.05, 13,711.54 and 6,207.57

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Solution

The fourth proportional to 9,940.05, 13,711.54 and 6,207.57 is: 8,562.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,940.05 : 13,711.54 = 6,207.57 : x
  2. Step 2: Convert to fraction form
    9,940.05/13,711.54 = 6,207.57/x
  3. Step 3: Cross multiply
    9,940.05x = 13,711.54 × 6,207.57
  4. Step 4: Simplify right side
    9,940.05x = 85,115,344.36
  5. Step 5: Solve for x
    x = 85,115,344.36/9,940.05
  6. Step 6: Final answer
    x = 8,562.87

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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.