Home / 15,217.24-20,969.86-11,636.24

Finding the Fourth Proportional to 15,217.24, 20,969.86 and 11,636.24

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Solution

The fourth proportional to 15,217.24, 20,969.86 and 11,636.24 is: 16,035.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,217.24 : 20,969.86 = 11,636.24 : x
  2. Step 2: Convert to fraction form
    15,217.24/20,969.86 = 11,636.24/x
  3. Step 3: Cross multiply
    15,217.24x = 20,969.86 × 11,636.24
  4. Step 4: Simplify right side
    15,217.24x = 244,010,323.73
  5. Step 5: Solve for x
    x = 244,010,323.73/15,217.24
  6. Step 6: Final answer
    x = 16,035.12

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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.