Home / 21,227.48-29,290.66-12,273.24

Finding the Fourth Proportional to 21,227.48, 29,290.66 and 12,273.24

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Solution

The fourth proportional to 21,227.48, 29,290.66 and 12,273.24 is: 16,935.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,227.48 : 29,290.66 = 12,273.24 : x
  2. Step 2: Convert to fraction form
    21,227.48/29,290.66 = 12,273.24/x
  3. Step 3: Cross multiply
    21,227.48x = 29,290.66 × 12,273.24
  4. Step 4: Simplify right side
    21,227.48x = 359,491,299.94
  5. Step 5: Solve for x
    x = 359,491,299.94/21,227.48
  6. Step 6: Final answer
    x = 16,935.18

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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.