Home / 12,992.38-17,936.37-10,001.66

Finding the Fourth Proportional to 12,992.38, 17,936.37 and 10,001.66

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Solution

The fourth proportional to 12,992.38, 17,936.37 and 10,001.66 is: 13,807.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,992.38 : 17,936.37 = 10,001.66 : x
  2. Step 2: Convert to fraction form
    12,992.38/17,936.37 = 10,001.66/x
  3. Step 3: Cross multiply
    12,992.38x = 17,936.37 × 10,001.66
  4. Step 4: Simplify right side
    12,992.38x = 179,393,384.69
  5. Step 5: Solve for x
    x = 179,393,384.69/12,992.38
  6. Step 6: Final answer
    x = 13,807.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.