Home / 20,410.08-30,612.96-6,558

Finding the Fourth Proportional to 20,410.08, 30,612.96 and 6,558

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Solution

The fourth proportional to 20,410.08, 30,612.96 and 6,558 is: 9,836.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,410.08 : 30,612.96 = 6,558 : x
  2. Step 2: Convert to fraction form
    20,410.08/30,612.96 = 6,558/x
  3. Step 3: Cross multiply
    20,410.08x = 30,612.96 × 6,558
  4. Step 4: Simplify right side
    20,410.08x = 200,759,791.68
  5. Step 5: Solve for x
    x = 200,759,791.68/20,410.08
  6. Step 6: Final answer
    x = 9,836.31

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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.