Home / 15,969.36-23,932.20-8,161.80

Finding the Fourth Proportional to 15,969.36, 23,932.20 and 8,161.80

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Solution

The fourth proportional to 15,969.36, 23,932.20 and 8,161.80 is: 12,231.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,969.36 : 23,932.20 = 8,161.80 : x
  2. Step 2: Convert to fraction form
    15,969.36/23,932.20 = 8,161.80/x
  3. Step 3: Cross multiply
    15,969.36x = 23,932.20 × 8,161.80
  4. Step 4: Simplify right side
    15,969.36x = 195,329,829.96
  5. Step 5: Solve for x
    x = 195,329,829.96/15,969.36
  6. Step 6: Final answer
    x = 12,231.54

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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.