Home / 18,619.70-27,926.24-5,293.58

Finding the Fourth Proportional to 18,619.70, 27,926.24 and 5,293.58

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Solution

The fourth proportional to 18,619.70, 27,926.24 and 5,293.58 is: 7,939.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,619.70 : 27,926.24 = 5,293.58 : x
  2. Step 2: Convert to fraction form
    18,619.70/27,926.24 = 5,293.58/x
  3. Step 3: Cross multiply
    18,619.70x = 27,926.24 × 5,293.58
  4. Step 4: Simplify right side
    18,619.70x = 147,829,619.44
  5. Step 5: Solve for x
    x = 147,829,619.44/18,619.70
  6. Step 6: Final answer
    x = 7,939.42

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1.5x scale

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.