Home / 9,940.25-13,703.09-6,946.79

Finding the Fourth Proportional to 9,940.25, 13,703.09 and 6,946.79

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Solution

The fourth proportional to 9,940.25, 13,703.09 and 6,946.79 is: 9,576.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,940.25 : 13,703.09 = 6,946.79 : x
  2. Step 2: Convert to fraction form
    9,940.25/13,703.09 = 6,946.79/x
  3. Step 3: Cross multiply
    9,940.25x = 13,703.09 × 6,946.79
  4. Step 4: Simplify right side
    9,940.25x = 95,192,488.58
  5. Step 5: Solve for x
    x = 95,192,488.58/9,940.25
  6. Step 6: Final answer
    x = 9,576.47

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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.