Home / 12,961.86-19,437.96-10,193.94

Finding the Fourth Proportional to 12,961.86, 19,437.96 and 10,193.94

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Solution

The fourth proportional to 12,961.86, 19,437.96 and 10,193.94 is: 15,287.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,961.86 : 19,437.96 = 10,193.94 : x
  2. Step 2: Convert to fraction form
    12,961.86/19,437.96 = 10,193.94/x
  3. Step 3: Cross multiply
    12,961.86x = 19,437.96 × 10,193.94
  4. Step 4: Simplify right side
    12,961.86x = 198,149,397.96
  5. Step 5: Solve for x
    x = 198,149,397.96/12,961.86
  6. Step 6: Final answer
    x = 15,287.11

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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.