Home / 11,411.26-15,747.42-6,694.64

Finding the Fourth Proportional to 11,411.26, 15,747.42 and 6,694.64

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Solution

The fourth proportional to 11,411.26, 15,747.42 and 6,694.64 is: 9,238.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,411.26 : 15,747.42 = 6,694.64 : x
  2. Step 2: Convert to fraction form
    11,411.26/15,747.42 = 6,694.64/x
  3. Step 3: Cross multiply
    11,411.26x = 15,747.42 × 6,694.64
  4. Step 4: Simplify right side
    11,411.26x = 105,423,307.83
  5. Step 5: Solve for x
    x = 105,423,307.83/11,411.26
  6. Step 6: Final answer
    x = 9,238.53

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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.