Home / 12,344.31-18,516.47-6,794.80

Finding the Fourth Proportional to 12,344.31, 18,516.47 and 6,794.80

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Solution

The fourth proportional to 12,344.31, 18,516.47 and 6,794.80 is: 10,192.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,344.31 : 18,516.47 = 6,794.80 : x
  2. Step 2: Convert to fraction form
    12,344.31/18,516.47 = 6,794.80/x
  3. Step 3: Cross multiply
    12,344.31x = 18,516.47 × 6,794.80
  4. Step 4: Simplify right side
    12,344.31x = 125,815,630.09
  5. Step 5: Solve for x
    x = 125,815,630.09/12,344.31
  6. Step 6: Final answer
    x = 10,192.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.