Home / 21,167.92-31,743.78-10,066.06

Finding the Fourth Proportional to 21,167.92, 31,743.78 and 10,066.06

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Solution

The fourth proportional to 21,167.92, 31,743.78 and 10,066.06 is: 15,095.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,167.92 : 31,743.78 = 10,066.06 : x
  2. Step 2: Convert to fraction form
    21,167.92/31,743.78 = 10,066.06/x
  3. Step 3: Cross multiply
    21,167.92x = 31,743.78 × 10,066.06
  4. Step 4: Simplify right side
    21,167.92x = 319,534,794.11
  5. Step 5: Solve for x
    x = 319,534,794.11/21,167.92
  6. Step 6: Final answer
    x = 15,095.24

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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.