Home / 18,733.16-28,080.20-7,635.26

Finding the Fourth Proportional to 18,733.16, 28,080.20 and 7,635.26

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Solution

The fourth proportional to 18,733.16, 28,080.20 and 7,635.26 is: 11,444.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,733.16 : 28,080.20 = 7,635.26 : x
  2. Step 2: Convert to fraction form
    18,733.16/28,080.20 = 7,635.26/x
  3. Step 3: Cross multiply
    18,733.16x = 28,080.20 × 7,635.26
  4. Step 4: Simplify right side
    18,733.16x = 214,399,627.85
  5. Step 5: Solve for x
    x = 214,399,627.85/18,733.16
  6. Step 6: Final answer
    x = 11,444.93

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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.