Home / 13,817.44-19,067.88-7,529.68

Finding the Fourth Proportional to 13,817.44, 19,067.88 and 7,529.68

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Solution

The fourth proportional to 13,817.44, 19,067.88 and 7,529.68 is: 10,390.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,817.44 : 19,067.88 = 7,529.68 : x
  2. Step 2: Convert to fraction form
    13,817.44/19,067.88 = 7,529.68/x
  3. Step 3: Cross multiply
    13,817.44x = 19,067.88 × 7,529.68
  4. Step 4: Simplify right side
    13,817.44x = 143,575,034.68
  5. Step 5: Solve for x
    x = 143,575,034.68/13,817.44
  6. Step 6: Final answer
    x = 10,390.86

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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.