Home / 19,189.46-28,741.82-12,535.52

Finding the Fourth Proportional to 19,189.46, 28,741.82 and 12,535.52

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Solution

The fourth proportional to 19,189.46, 28,741.82 and 12,535.52 is: 18,775.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,189.46 : 28,741.82 = 12,535.52 : x
  2. Step 2: Convert to fraction form
    19,189.46/28,741.82 = 12,535.52/x
  3. Step 3: Cross multiply
    19,189.46x = 28,741.82 × 12,535.52
  4. Step 4: Simplify right side
    19,189.46x = 360,293,453.06
  5. Step 5: Solve for x
    x = 360,293,453.06/19,189.46
  6. Step 6: Final answer
    x = 18,775.59

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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.