Home / 21,095.43-29,110.48-11,663.38

Finding the Fourth Proportional to 21,095.43, 29,110.48 and 11,663.38

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Solution

The fourth proportional to 21,095.43, 29,110.48 and 11,663.38 is: 16,094.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,095.43 : 29,110.48 = 11,663.38 : x
  2. Step 2: Convert to fraction form
    21,095.43/29,110.48 = 11,663.38/x
  3. Step 3: Cross multiply
    21,095.43x = 29,110.48 × 11,663.38
  4. Step 4: Simplify right side
    21,095.43x = 339,526,590.22
  5. Step 5: Solve for x
    x = 339,526,590.22/21,095.43
  6. Step 6: Final answer
    x = 16,094.79

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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.