Home / 10,424.39-15,636.62-2,633.20

Finding the Fourth Proportional to 10,424.39, 15,636.62 and 2,633.20

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Solution

The fourth proportional to 10,424.39, 15,636.62 and 2,633.20 is: 3,949.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,424.39 : 15,636.62 = 2,633.20 : x
  2. Step 2: Convert to fraction form
    10,424.39/15,636.62 = 2,633.20/x
  3. Step 3: Cross multiply
    10,424.39x = 15,636.62 × 2,633.20
  4. Step 4: Simplify right side
    10,424.39x = 41,174,315.28
  5. Step 5: Solve for x
    x = 41,174,315.28/10,424.39
  6. Step 6: Final answer
    x = 3,949.81

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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.