Home / 15,865.70-23,796.65-4,179.83

Finding the Fourth Proportional to 15,865.70, 23,796.65 and 4,179.83

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Solution

The fourth proportional to 15,865.70, 23,796.65 and 4,179.83 is: 6,269.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,865.70 : 23,796.65 = 4,179.83 : x
  2. Step 2: Convert to fraction form
    15,865.70/23,796.65 = 4,179.83/x
  3. Step 3: Cross multiply
    15,865.70x = 23,796.65 × 4,179.83
  4. Step 4: Simplify right side
    15,865.70x = 99,465,843.04
  5. Step 5: Solve for x
    x = 99,465,843.04/15,865.70
  6. Step 6: Final answer
    x = 6,269.24

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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.