Home / 11,423.38-17,137.77-3,632.19

Finding the Fourth Proportional to 11,423.38, 17,137.77 and 3,632.19

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Solution

The fourth proportional to 11,423.38, 17,137.77 and 3,632.19 is: 5,449.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,423.38 : 17,137.77 = 3,632.19 : x
  2. Step 2: Convert to fraction form
    11,423.38/17,137.77 = 3,632.19/x
  3. Step 3: Cross multiply
    11,423.38x = 17,137.77 × 3,632.19
  4. Step 4: Simplify right side
    11,423.38x = 62,247,636.82
  5. Step 5: Solve for x
    x = 62,247,636.82/11,423.38
  6. Step 6: Final answer
    x = 5,449.14

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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.