Home / 21,169.13-29,227.18-14,452.31

Finding the Fourth Proportional to 21,169.13, 29,227.18 and 14,452.31

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Solution

The fourth proportional to 21,169.13, 29,227.18 and 14,452.31 is: 19,953.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,169.13 : 29,227.18 = 14,452.31 : x
  2. Step 2: Convert to fraction form
    21,169.13/29,227.18 = 14,452.31/x
  3. Step 3: Cross multiply
    21,169.13x = 29,227.18 × 14,452.31
  4. Step 4: Simplify right side
    21,169.13x = 422,400,119.65
  5. Step 5: Solve for x
    x = 422,400,119.65/21,169.13
  6. Step 6: Final answer
    x = 19,953.59

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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.