Home / 21,601.68-29,810.66-12,654.44

Finding the Fourth Proportional to 21,601.68, 29,810.66 and 12,654.44

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Solution

The fourth proportional to 21,601.68, 29,810.66 and 12,654.44 is: 17,463.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,601.68 : 29,810.66 = 12,654.44 : x
  2. Step 2: Convert to fraction form
    21,601.68/29,810.66 = 12,654.44/x
  3. Step 3: Cross multiply
    21,601.68x = 29,810.66 × 12,654.44
  4. Step 4: Simplify right side
    21,601.68x = 377,237,208.33
  5. Step 5: Solve for x
    x = 377,237,208.33/21,601.68
  6. Step 6: Final answer
    x = 17,463.33

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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.