Home / 11,373.82-17,049.06-5,138.19

Finding the Fourth Proportional to 11,373.82, 17,049.06 and 5,138.19

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Solution

The fourth proportional to 11,373.82, 17,049.06 and 5,138.19 is: 7,702.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,373.82 : 17,049.06 = 5,138.19 : x
  2. Step 2: Convert to fraction form
    11,373.82/17,049.06 = 5,138.19/x
  3. Step 3: Cross multiply
    11,373.82x = 17,049.06 × 5,138.19
  4. Step 4: Simplify right side
    11,373.82x = 87,601,309.60
  5. Step 5: Solve for x
    x = 87,601,309.60/11,373.82
  6. Step 6: Final answer
    x = 7,702.01

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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.