Home / 14,067.58-21,108.71-10,203.88

Finding the Fourth Proportional to 14,067.58, 21,108.71 and 10,203.88

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Solution

The fourth proportional to 14,067.58, 21,108.71 and 10,203.88 is: 15,311.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,067.58 : 21,108.71 = 10,203.88 : x
  2. Step 2: Convert to fraction form
    14,067.58/21,108.71 = 10,203.88/x
  3. Step 3: Cross multiply
    14,067.58x = 21,108.71 × 10,203.88
  4. Step 4: Simplify right side
    14,067.58x = 215,390,743.79
  5. Step 5: Solve for x
    x = 215,390,743.79/14,067.58
  6. Step 6: Final answer
    x = 15,311.14

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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.