Home / 11,437.70-17,168.82-10,129.56

Finding the Fourth Proportional to 11,437.70, 17,168.82 and 10,129.56

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Solution

The fourth proportional to 11,437.70, 17,168.82 and 10,129.56 is: 15,205.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,437.70 : 17,168.82 = 10,129.56 : x
  2. Step 2: Convert to fraction form
    11,437.70/17,168.82 = 10,129.56/x
  3. Step 3: Cross multiply
    11,437.70x = 17,168.82 × 10,129.56
  4. Step 4: Simplify right side
    11,437.70x = 173,912,592.32
  5. Step 5: Solve for x
    x = 173,912,592.32/11,437.70
  6. Step 6: Final answer
    x = 15,205.21

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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.