Home / 12,934.44-19,391.83-6,690.48

Finding the Fourth Proportional to 12,934.44, 19,391.83 and 6,690.48

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Solution

The fourth proportional to 12,934.44, 19,391.83 and 6,690.48 is: 10,030.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,934.44 : 19,391.83 = 6,690.48 : x
  2. Step 2: Convert to fraction form
    12,934.44/19,391.83 = 6,690.48/x
  3. Step 3: Cross multiply
    12,934.44x = 19,391.83 × 6,690.48
  4. Step 4: Simplify right side
    12,934.44x = 129,740,650.78
  5. Step 5: Solve for x
    x = 129,740,650.78/12,934.44
  6. Step 6: Final answer
    x = 10,030.64

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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.