Home / 13,164.84-19,748.30-4,399.78

Finding the Fourth Proportional to 13,164.84, 19,748.30 and 4,399.78

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Solution

The fourth proportional to 13,164.84, 19,748.30 and 4,399.78 is: 6,600.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,164.84 : 19,748.30 = 4,399.78 : x
  2. Step 2: Convert to fraction form
    13,164.84/19,748.30 = 4,399.78/x
  3. Step 3: Cross multiply
    13,164.84x = 19,748.30 × 4,399.78
  4. Step 4: Simplify right side
    13,164.84x = 86,888,175.37
  5. Step 5: Solve for x
    x = 86,888,175.37/13,164.84
  6. Step 6: Final answer
    x = 6,600.02

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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.