Home / 10,904.21-16,358.44-3,508.10

Finding the Fourth Proportional to 10,904.21, 16,358.44 and 3,508.10

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Solution

The fourth proportional to 10,904.21, 16,358.44 and 3,508.10 is: 5,262.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,904.21 : 16,358.44 = 3,508.10 : x
  2. Step 2: Convert to fraction form
    10,904.21/16,358.44 = 3,508.10/x
  3. Step 3: Cross multiply
    10,904.21x = 16,358.44 × 3,508.10
  4. Step 4: Simplify right side
    10,904.21x = 57,387,043.36
  5. Step 5: Solve for x
    x = 57,387,043.36/10,904.21
  6. Step 6: Final answer
    x = 5,262.83

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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.