Home / 19,494.59-29,236.69-5,453.75

Finding the Fourth Proportional to 19,494.59, 29,236.69 and 5,453.75

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Solution

The fourth proportional to 19,494.59, 29,236.69 and 5,453.75 is: 8,179.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,494.59 : 29,236.69 = 5,453.75 : x
  2. Step 2: Convert to fraction form
    19,494.59/29,236.69 = 5,453.75/x
  3. Step 3: Cross multiply
    19,494.59x = 29,236.69 × 5,453.75
  4. Step 4: Simplify right side
    19,494.59x = 159,449,598.09
  5. Step 5: Solve for x
    x = 159,449,598.09/19,494.59
  6. Step 6: Final answer
    x = 8,179.17

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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.