Home / 21,017.24-29,002.03-12,062.84

Finding the Fourth Proportional to 21,017.24, 29,002.03 and 12,062.84

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Solution

The fourth proportional to 21,017.24, 29,002.03 and 12,062.84 is: 16,645.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,017.24 : 29,002.03 = 12,062.84 : x
  2. Step 2: Convert to fraction form
    21,017.24/29,002.03 = 12,062.84/x
  3. Step 3: Cross multiply
    21,017.24x = 29,002.03 × 12,062.84
  4. Step 4: Simplify right side
    21,017.24x = 349,846,702.56
  5. Step 5: Solve for x
    x = 349,846,702.56/21,017.24
  6. Step 6: Final answer
    x = 16,645.71

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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.