Home / 20,186.66-30,281.50-5,395.24

Finding the Fourth Proportional to 20,186.66, 30,281.50 and 5,395.24

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Solution

The fourth proportional to 20,186.66, 30,281.50 and 5,395.24 is: 8,093.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,186.66 : 30,281.50 = 5,395.24 : x
  2. Step 2: Convert to fraction form
    20,186.66/30,281.50 = 5,395.24/x
  3. Step 3: Cross multiply
    20,186.66x = 30,281.50 × 5,395.24
  4. Step 4: Simplify right side
    20,186.66x = 163,375,960.06
  5. Step 5: Solve for x
    x = 163,375,960.06/20,186.66
  6. Step 6: Final answer
    x = 8,093.26

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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.