Home / 12,531.64-18,786.54-10,694.56

Finding the Fourth Proportional to 12,531.64, 18,786.54 and 10,694.56

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Solution

The fourth proportional to 12,531.64, 18,786.54 and 10,694.56 is: 16,032.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,531.64 : 18,786.54 = 10,694.56 : x
  2. Step 2: Convert to fraction form
    12,531.64/18,786.54 = 10,694.56/x
  3. Step 3: Cross multiply
    12,531.64x = 18,786.54 × 10,694.56
  4. Step 4: Simplify right side
    12,531.64x = 200,913,779.22
  5. Step 5: Solve for x
    x = 200,913,779.22/12,531.64
  6. Step 6: Final answer
    x = 16,032.52

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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.