Home / 21,614.14-29,834.95-12,664.54

Finding the Fourth Proportional to 21,614.14, 29,834.95 and 12,664.54

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Solution

The fourth proportional to 21,614.14, 29,834.95 and 12,664.54 is: 17,481.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,614.14 : 29,834.95 = 12,664.54 : x
  2. Step 2: Convert to fraction form
    21,614.14/29,834.95 = 12,664.54/x
  3. Step 3: Cross multiply
    21,614.14x = 29,834.95 × 12,664.54
  4. Step 4: Simplify right side
    21,614.14x = 377,845,768.50
  5. Step 5: Solve for x
    x = 377,845,768.50/21,614.14
  6. Step 6: Final answer
    x = 17,481.42

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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.