Home / 13,817.25-19,067.81-7,529.63

Finding the Fourth Proportional to 13,817.25, 19,067.81 and 7,529.63

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Solution

The fourth proportional to 13,817.25, 19,067.81 and 7,529.63 is: 10,390.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,817.25 : 19,067.81 = 7,529.63 : x
  2. Step 2: Convert to fraction form
    13,817.25/19,067.81 = 7,529.63/x
  3. Step 3: Cross multiply
    13,817.25x = 19,067.81 × 7,529.63
  4. Step 4: Simplify right side
    13,817.25x = 143,573,421.22
  5. Step 5: Solve for x
    x = 143,573,421.22/13,817.25
  6. Step 6: Final answer
    x = 10,390.88

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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.