Home / 12,711.48-19,067.16-3,223.80

Finding the Fourth Proportional to 12,711.48, 19,067.16 and 3,223.80

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Solution

The fourth proportional to 12,711.48, 19,067.16 and 3,223.80 is: 4,835.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,711.48 : 19,067.16 = 3,223.80 : x
  2. Step 2: Convert to fraction form
    12,711.48/19,067.16 = 3,223.80/x
  3. Step 3: Cross multiply
    12,711.48x = 19,067.16 × 3,223.80
  4. Step 4: Simplify right side
    12,711.48x = 61,468,710.41
  5. Step 5: Solve for x
    x = 61,468,710.41/12,711.48
  6. Step 6: Final answer
    x = 4,835.68

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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.