Home / 13,067.64-18,033.09-7,402.31

Finding the Fourth Proportional to 13,067.64, 18,033.09 and 7,402.31

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Solution

The fourth proportional to 13,067.64, 18,033.09 and 7,402.31 is: 10,215.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,067.64 : 18,033.09 = 7,402.31 : x
  2. Step 2: Convert to fraction form
    13,067.64/18,033.09 = 7,402.31/x
  3. Step 3: Cross multiply
    13,067.64x = 18,033.09 × 7,402.31
  4. Step 4: Simplify right side
    13,067.64x = 133,486,522.44
  5. Step 5: Solve for x
    x = 133,486,522.44/13,067.64
  6. Step 6: Final answer
    x = 10,215.04

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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.