Home / 10,067.46-13,887.64-6,426.72

Finding the Fourth Proportional to 10,067.46, 13,887.64 and 6,426.72

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Solution

The fourth proportional to 10,067.46, 13,887.64 and 6,426.72 is: 8,865.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,067.46 : 13,887.64 = 6,426.72 : x
  2. Step 2: Convert to fraction form
    10,067.46/13,887.64 = 6,426.72/x
  3. Step 3: Cross multiply
    10,067.46x = 13,887.64 × 6,426.72
  4. Step 4: Simplify right side
    10,067.46x = 89,251,973.74
  5. Step 5: Solve for x
    x = 89,251,973.74/10,067.46
  6. Step 6: Final answer
    x = 8,865.39

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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.