Home / 21,086.08-29,098.38-11,654.68

Finding the Fourth Proportional to 21,086.08, 29,098.38 and 11,654.68

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Solution

The fourth proportional to 21,086.08, 29,098.38 and 11,654.68 is: 16,083.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,086.08 : 29,098.38 = 11,654.68 : x
  2. Step 2: Convert to fraction form
    21,086.08/29,098.38 = 11,654.68/x
  3. Step 3: Cross multiply
    21,086.08x = 29,098.38 × 11,654.68
  4. Step 4: Simplify right side
    21,086.08x = 339,132,307.42
  5. Step 5: Solve for x
    x = 339,132,307.42/21,086.08
  6. Step 6: Final answer
    x = 16,083.23

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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.