Home / 21,067.63-29,085.01-14,363.11

Finding the Fourth Proportional to 21,067.63, 29,085.01 and 14,363.11

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Solution

The fourth proportional to 21,067.63, 29,085.01 and 14,363.11 is: 19,829.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,067.63 : 29,085.01 = 14,363.11 : x
  2. Step 2: Convert to fraction form
    21,067.63/29,085.01 = 14,363.11/x
  3. Step 3: Cross multiply
    21,067.63x = 29,085.01 × 14,363.11
  4. Step 4: Simplify right side
    21,067.63x = 417,751,198.43
  5. Step 5: Solve for x
    x = 417,751,198.43/21,067.63
  6. Step 6: Final answer
    x = 19,829.05

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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.