Home / 12,755.26-19,108.14-10,127.62

Finding the Fourth Proportional to 12,755.26, 19,108.14 and 10,127.62

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Solution

The fourth proportional to 12,755.26, 19,108.14 and 10,127.62 is: 15,171.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,755.26 : 19,108.14 = 10,127.62 : x
  2. Step 2: Convert to fraction form
    12,755.26/19,108.14 = 10,127.62/x
  3. Step 3: Cross multiply
    12,755.26x = 19,108.14 × 10,127.62
  4. Step 4: Simplify right side
    12,755.26x = 193,519,980.83
  5. Step 5: Solve for x
    x = 193,519,980.83/12,755.26
  6. Step 6: Final answer
    x = 15,171.78

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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.