Home / 20,235.12-30,351.59-6,195.15

Finding the Fourth Proportional to 20,235.12, 30,351.59 and 6,195.15

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Solution

The fourth proportional to 20,235.12, 30,351.59 and 6,195.15 is: 9,292.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,235.12 : 30,351.59 = 6,195.15 : x
  2. Step 2: Convert to fraction form
    20,235.12/30,351.59 = 6,195.15/x
  3. Step 3: Cross multiply
    20,235.12x = 30,351.59 × 6,195.15
  4. Step 4: Simplify right side
    20,235.12x = 188,032,652.79
  5. Step 5: Solve for x
    x = 188,032,652.79/20,235.12
  6. Step 6: Final answer
    x = 9,292.39

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1.5x scale

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.