Home / 10,820.08-16,230.56-3,424.68

Finding the Fourth Proportional to 10,820.08, 16,230.56 and 3,424.68

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Solution

The fourth proportional to 10,820.08, 16,230.56 and 3,424.68 is: 5,137.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,820.08 : 16,230.56 = 3,424.68 : x
  2. Step 2: Convert to fraction form
    10,820.08/16,230.56 = 3,424.68/x
  3. Step 3: Cross multiply
    10,820.08x = 16,230.56 × 3,424.68
  4. Step 4: Simplify right side
    10,820.08x = 55,584,474.22
  5. Step 5: Solve for x
    x = 55,584,474.22/10,820.08
  6. Step 6: Final answer
    x = 5,137.16

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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.