Home / 10,904.22-16,356.90-3,508.11

Finding the Fourth Proportional to 10,904.22, 16,356.90 and 3,508.11

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Solution

The fourth proportional to 10,904.22, 16,356.90 and 3,508.11 is: 5,262.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,904.22 : 16,356.90 = 3,508.11 : x
  2. Step 2: Convert to fraction form
    10,904.22/16,356.90 = 3,508.11/x
  3. Step 3: Cross multiply
    10,904.22x = 16,356.90 × 3,508.11
  4. Step 4: Simplify right side
    10,904.22x = 57,381,804.46
  5. Step 5: Solve for x
    x = 57,381,804.46/10,904.22
  6. Step 6: Final answer
    x = 5,262.35

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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.