Home / 12,102.76-18,154.59-3,338.33

Finding the Fourth Proportional to 12,102.76, 18,154.59 and 3,338.33

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Solution

The fourth proportional to 12,102.76, 18,154.59 and 3,338.33 is: 5,007.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,102.76 : 18,154.59 = 3,338.33 : x
  2. Step 2: Convert to fraction form
    12,102.76/18,154.59 = 3,338.33/x
  3. Step 3: Cross multiply
    12,102.76x = 18,154.59 × 3,338.33
  4. Step 4: Simplify right side
    12,102.76x = 60,605,995.74
  5. Step 5: Solve for x
    x = 60,605,995.74/12,102.76
  6. Step 6: Final answer
    x = 5,007.62

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1.5x scale

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.