Home / 43,127.88-64,691.81-11,963.13

Finding the Fourth Proportional to 43,127.88, 64,691.81 and 11,963.13

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Solution

The fourth proportional to 43,127.88, 64,691.81 and 11,963.13 is: 17,944.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,127.88 : 64,691.81 = 11,963.13 : x
  2. Step 2: Convert to fraction form
    43,127.88/64,691.81 = 11,963.13/x
  3. Step 3: Cross multiply
    43,127.88x = 64,691.81 × 11,963.13
  4. Step 4: Simplify right side
    43,127.88x = 773,916,532.97
  5. Step 5: Solve for x
    x = 773,916,532.97/43,127.88
  6. Step 6: Final answer
    x = 17,944.69

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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.