Home / 14,209.20-19,610.56-10,243.44

Finding the Fourth Proportional to 14,209.20, 19,610.56 and 10,243.44

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Solution

The fourth proportional to 14,209.20, 19,610.56 and 10,243.44 is: 14,137.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,209.20 : 19,610.56 = 10,243.44 : x
  2. Step 2: Convert to fraction form
    14,209.20/19,610.56 = 10,243.44/x
  3. Step 3: Cross multiply
    14,209.20x = 19,610.56 × 10,243.44
  4. Step 4: Simplify right side
    14,209.20x = 200,879,594.73
  5. Step 5: Solve for x
    x = 200,879,594.73/14,209.20
  6. Step 6: Final answer
    x = 14,137.29

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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.