Home / 12,155.77-18,233.66-3,836.63

Finding the Fourth Proportional to 12,155.77, 18,233.66 and 3,836.63

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Solution

The fourth proportional to 12,155.77, 18,233.66 and 3,836.63 is: 5,754.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,155.77 : 18,233.66 = 3,836.63 : x
  2. Step 2: Convert to fraction form
    12,155.77/18,233.66 = 3,836.63/x
  3. Step 3: Cross multiply
    12,155.77x = 18,233.66 × 3,836.63
  4. Step 4: Simplify right side
    12,155.77x = 69,955,792.64
  5. Step 5: Solve for x
    x = 69,955,792.64/12,155.77
  6. Step 6: Final answer
    x = 5,754.94

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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.