Home / 21,020.01-29,006.48-12,067.29

Finding the Fourth Proportional to 21,020.01, 29,006.48 and 12,067.29

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Solution

The fourth proportional to 21,020.01, 29,006.48 and 12,067.29 is: 16,652.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,020.01 : 29,006.48 = 12,067.29 : x
  2. Step 2: Convert to fraction form
    21,020.01/29,006.48 = 12,067.29/x
  3. Step 3: Cross multiply
    21,020.01x = 29,006.48 × 12,067.29
  4. Step 4: Simplify right side
    21,020.01x = 350,029,606.04
  5. Step 5: Solve for x
    x = 350,029,606.04/21,020.01
  6. Step 6: Final answer
    x = 16,652.21

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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.