Home / 10,802.35-16,205.96-3,407.56

Finding the Fourth Proportional to 10,802.35, 16,205.96 and 3,407.56

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Solution

The fourth proportional to 10,802.35, 16,205.96 and 3,407.56 is: 5,112.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,802.35 : 16,205.96 = 3,407.56 : x
  2. Step 2: Convert to fraction form
    10,802.35/16,205.96 = 3,407.56/x
  3. Step 3: Cross multiply
    10,802.35x = 16,205.96 × 3,407.56
  4. Step 4: Simplify right side
    10,802.35x = 55,222,781.06
  5. Step 5: Solve for x
    x = 55,222,781.06/10,802.35
  6. Step 6: Final answer
    x = 5,112.11

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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.