Home / 21,158.42-29,197.40-11,596.43

Finding the Fourth Proportional to 21,158.42, 29,197.40 and 11,596.43

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Solution

The fourth proportional to 21,158.42, 29,197.40 and 11,596.43 is: 16,002.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,158.42 : 29,197.40 = 11,596.43 : x
  2. Step 2: Convert to fraction form
    21,158.42/29,197.40 = 11,596.43/x
  3. Step 3: Cross multiply
    21,158.42x = 29,197.40 × 11,596.43
  4. Step 4: Simplify right side
    21,158.42x = 338,585,620.29
  5. Step 5: Solve for x
    x = 338,585,620.29/21,158.42
  6. Step 6: Final answer
    x = 16,002.41

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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.