Home / 13,817.13-19,067.64-7,529.50

Finding the Fourth Proportional to 13,817.13, 19,067.64 and 7,529.50

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Solution

The fourth proportional to 13,817.13, 19,067.64 and 7,529.50 is: 10,390.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,817.13 : 19,067.64 = 7,529.50 : x
  2. Step 2: Convert to fraction form
    13,817.13/19,067.64 = 7,529.50/x
  3. Step 3: Cross multiply
    13,817.13x = 19,067.64 × 7,529.50
  4. Step 4: Simplify right side
    13,817.13x = 143,569,757.73
  5. Step 5: Solve for x
    x = 143,569,757.73/13,817.13
  6. Step 6: Final answer
    x = 10,390.71

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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.