Home / 18,583.60-27,879.40-5,434.96

Finding the Fourth Proportional to 18,583.60, 27,879.40 and 5,434.96

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Solution

The fourth proportional to 18,583.60, 27,879.40 and 5,434.96 is: 8,153.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,583.60 : 27,879.40 = 5,434.96 : x
  2. Step 2: Convert to fraction form
    18,583.60/27,879.40 = 5,434.96/x
  3. Step 3: Cross multiply
    18,583.60x = 27,879.40 × 5,434.96
  4. Step 4: Simplify right side
    18,583.60x = 151,523,423.82
  5. Step 5: Solve for x
    x = 151,523,423.82/18,583.60
  6. Step 6: Final answer
    x = 8,153.61

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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.