Home / 21,085.92-29,098.44-11,654.46

Finding the Fourth Proportional to 21,085.92, 29,098.44 and 11,654.46

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Solution

The fourth proportional to 21,085.92, 29,098.44 and 11,654.46 is: 16,083.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,085.92 : 29,098.44 = 11,654.46 : x
  2. Step 2: Convert to fraction form
    21,085.92/29,098.44 = 11,654.46/x
  3. Step 3: Cross multiply
    21,085.92x = 29,098.44 × 11,654.46
  4. Step 4: Simplify right side
    21,085.92x = 339,126,605.04
  5. Step 5: Solve for x
    x = 339,126,605.04/21,085.92
  6. Step 6: Final answer
    x = 16,083.08

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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.