Home / 13,997.58-19,311.12-9,747.51

Finding the Fourth Proportional to 13,997.58, 19,311.12 and 9,747.51

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Solution

The fourth proportional to 13,997.58, 19,311.12 and 9,747.51 is: 13,447.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,997.58 : 19,311.12 = 9,747.51 : x
  2. Step 2: Convert to fraction form
    13,997.58/19,311.12 = 9,747.51/x
  3. Step 3: Cross multiply
    13,997.58x = 19,311.12 × 9,747.51
  4. Step 4: Simplify right side
    13,997.58x = 188,235,335.31
  5. Step 5: Solve for x
    x = 188,235,335.31/13,997.58
  6. Step 6: Final answer
    x = 13,447.71

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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.