Home / 13,816.84-19,067.24-7,529.21

Finding the Fourth Proportional to 13,816.84, 19,067.24 and 7,529.21

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Solution

The fourth proportional to 13,816.84, 19,067.24 and 7,529.21 is: 10,390.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,816.84 : 19,067.24 = 7,529.21 : x
  2. Step 2: Convert to fraction form
    13,816.84/19,067.24 = 7,529.21/x
  3. Step 3: Cross multiply
    13,816.84x = 19,067.24 × 7,529.21
  4. Step 4: Simplify right side
    13,816.84x = 143,561,264.10
  5. Step 5: Solve for x
    x = 143,561,264.10/13,816.84
  6. Step 6: Final answer
    x = 10,390.31

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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.