Home / 10,161.77-15,230.94-3,918.66

Finding the Fourth Proportional to 10,161.77, 15,230.94 and 3,918.66

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Solution

The fourth proportional to 10,161.77, 15,230.94 and 3,918.66 is: 5,873.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,161.77 : 15,230.94 = 3,918.66 : x
  2. Step 2: Convert to fraction form
    10,161.77/15,230.94 = 3,918.66/x
  3. Step 3: Cross multiply
    10,161.77x = 15,230.94 × 3,918.66
  4. Step 4: Simplify right side
    10,161.77x = 59,684,875.34
  5. Step 5: Solve for x
    x = 59,684,875.34/10,161.77
  6. Step 6: Final answer
    x = 5,873.48

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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.