Home / 12,530.74-18,799.80-3,767

Finding the Fourth Proportional to 12,530.74, 18,799.80 and 3,767

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Solution

The fourth proportional to 12,530.74, 18,799.80 and 3,767 is: 5,651.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,530.74 : 18,799.80 = 3,767 : x
  2. Step 2: Convert to fraction form
    12,530.74/18,799.80 = 3,767/x
  3. Step 3: Cross multiply
    12,530.74x = 18,799.80 × 3,767
  4. Step 4: Simplify right side
    12,530.74x = 70,818,846.60
  5. Step 5: Solve for x
    x = 70,818,846.60/12,530.74
  6. Step 6: Final answer
    x = 5,651.61

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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.