Home / 15,198.32-20,983.31-10,426.26

Finding the Fourth Proportional to 15,198.32, 20,983.31 and 10,426.26

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Solution

The fourth proportional to 15,198.32, 20,983.31 and 10,426.26 is: 14,394.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,198.32 : 20,983.31 = 10,426.26 : x
  2. Step 2: Convert to fraction form
    15,198.32/20,983.31 = 10,426.26/x
  3. Step 3: Cross multiply
    15,198.32x = 20,983.31 × 10,426.26
  4. Step 4: Simplify right side
    15,198.32x = 218,777,393.59
  5. Step 5: Solve for x
    x = 218,777,393.59/15,198.32
  6. Step 6: Final answer
    x = 14,394.85

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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.