Home / 11,999.26-18,002.34-3,680.51

Finding the Fourth Proportional to 11,999.26, 18,002.34 and 3,680.51

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Solution

The fourth proportional to 11,999.26, 18,002.34 and 3,680.51 is: 5,521.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,999.26 : 18,002.34 = 3,680.51 : x
  2. Step 2: Convert to fraction form
    11,999.26/18,002.34 = 3,680.51/x
  3. Step 3: Cross multiply
    11,999.26x = 18,002.34 × 3,680.51
  4. Step 4: Simplify right side
    11,999.26x = 66,257,702.38
  5. Step 5: Solve for x
    x = 66,257,702.38/11,999.26
  6. Step 6: Final answer
    x = 5,521.82

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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.