Home / 12,116.26-18,174.36-3,796.91

Finding the Fourth Proportional to 12,116.26, 18,174.36 and 3,796.91

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Solution

The fourth proportional to 12,116.26, 18,174.36 and 3,796.91 is: 5,695.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,116.26 : 18,174.36 = 3,796.91 : x
  2. Step 2: Convert to fraction form
    12,116.26/18,174.36 = 3,796.91/x
  3. Step 3: Cross multiply
    12,116.26x = 18,174.36 × 3,796.91
  4. Step 4: Simplify right side
    12,116.26x = 69,006,299.37
  5. Step 5: Solve for x
    x = 69,006,299.37/12,116.26
  6. Step 6: Final answer
    x = 5,695.35

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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.