Home / 13,876.96-19,150.23-7,589.38

Finding the Fourth Proportional to 13,876.96, 19,150.23 and 7,589.38

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Solution

The fourth proportional to 13,876.96, 19,150.23 and 7,589.38 is: 10,473.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,876.96 : 19,150.23 = 7,589.38 : x
  2. Step 2: Convert to fraction form
    13,876.96/19,150.23 = 7,589.38/x
  3. Step 3: Cross multiply
    13,876.96x = 19,150.23 × 7,589.38
  4. Step 4: Simplify right side
    13,876.96x = 145,338,372.56
  5. Step 5: Solve for x
    x = 145,338,372.56/13,876.96
  6. Step 6: Final answer
    x = 10,473.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.