Home / 13,322.53-19,983.78-3,962.51

Finding the Fourth Proportional to 13,322.53, 19,983.78 and 3,962.51

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Solution

The fourth proportional to 13,322.53, 19,983.78 and 3,962.51 is: 5,943.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,322.53 : 19,983.78 = 3,962.51 : x
  2. Step 2: Convert to fraction form
    13,322.53/19,983.78 = 3,962.51/x
  3. Step 3: Cross multiply
    13,322.53x = 19,983.78 × 3,962.51
  4. Step 4: Simplify right side
    13,322.53x = 79,185,928.09
  5. Step 5: Solve for x
    x = 79,185,928.09/13,322.53
  6. Step 6: Final answer
    x = 5,943.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.