Home / 12,377.36-18,544.43-10,310.64

Finding the Fourth Proportional to 12,377.36, 18,544.43 and 10,310.64

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Solution

The fourth proportional to 12,377.36, 18,544.43 and 10,310.64 is: 15,447.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,377.36 : 18,544.43 = 10,310.64 : x
  2. Step 2: Convert to fraction form
    12,377.36/18,544.43 = 10,310.64/x
  3. Step 3: Cross multiply
    12,377.36x = 18,544.43 × 10,310.64
  4. Step 4: Simplify right side
    12,377.36x = 191,204,890.18
  5. Step 5: Solve for x
    x = 191,204,890.18/12,377.36
  6. Step 6: Final answer
    x = 15,447.96

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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.