Home / 14,067.83-21,109.08-10,204.13

Finding the Fourth Proportional to 14,067.83, 21,109.08 and 10,204.13

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Solution

The fourth proportional to 14,067.83, 21,109.08 and 10,204.13 is: 15,311.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,067.83 : 21,109.08 = 10,204.13 : x
  2. Step 2: Convert to fraction form
    14,067.83/21,109.08 = 10,204.13/x
  3. Step 3: Cross multiply
    14,067.83x = 21,109.08 × 10,204.13
  4. Step 4: Simplify right side
    14,067.83x = 215,399,796.50
  5. Step 5: Solve for x
    x = 215,399,796.50/14,067.83
  6. Step 6: Final answer
    x = 15,311.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.