Home / 19,917.07-27,486.55-10,964.48

Finding the Fourth Proportional to 19,917.07, 27,486.55 and 10,964.48

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Solution

The fourth proportional to 19,917.07, 27,486.55 and 10,964.48 is: 15,131.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,917.07 : 27,486.55 = 10,964.48 : x
  2. Step 2: Convert to fraction form
    19,917.07/27,486.55 = 10,964.48/x
  3. Step 3: Cross multiply
    19,917.07x = 27,486.55 × 10,964.48
  4. Step 4: Simplify right side
    19,917.07x = 301,375,727.74
  5. Step 5: Solve for x
    x = 301,375,727.74/19,917.07
  6. Step 6: Final answer
    x = 15,131.53

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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.