Home / 14,200.58-21,407.20-13,249.10

Finding the Fourth Proportional to 14,200.58, 21,407.20 and 13,249.10

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Solution

The fourth proportional to 14,200.58, 21,407.20 and 13,249.10 is: 19,972.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,200.58 : 21,407.20 = 13,249.10 : x
  2. Step 2: Convert to fraction form
    14,200.58/21,407.20 = 13,249.10/x
  3. Step 3: Cross multiply
    14,200.58x = 21,407.20 × 13,249.10
  4. Step 4: Simplify right side
    14,200.58x = 283,626,067.27
  5. Step 5: Solve for x
    x = 283,626,067.27/14,200.58
  6. Step 6: Final answer
    x = 19,972.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.