Home / 11,020.69-15,163.50-9,523.81

Finding the Fourth Proportional to 11,020.69, 15,163.50 and 9,523.81

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Solution

The fourth proportional to 11,020.69, 15,163.50 and 9,523.81 is: 13,103.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,020.69 : 15,163.50 = 9,523.81 : x
  2. Step 2: Convert to fraction form
    11,020.69/15,163.50 = 9,523.81/x
  3. Step 3: Cross multiply
    11,020.69x = 15,163.50 × 9,523.81
  4. Step 4: Simplify right side
    11,020.69x = 144,414,292.94
  5. Step 5: Solve for x
    x = 144,414,292.94/11,020.69
  6. Step 6: Final answer
    x = 13,103.92

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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.