Home / 9,011.15-13,542.30-6,109.73

Finding the Fourth Proportional to 9,011.15, 13,542.30 and 6,109.73

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Solution

The fourth proportional to 9,011.15, 13,542.30 and 6,109.73 is: 9,181.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,011.15 : 13,542.30 = 6,109.73 : x
  2. Step 2: Convert to fraction form
    9,011.15/13,542.30 = 6,109.73/x
  3. Step 3: Cross multiply
    9,011.15x = 13,542.30 × 6,109.73
  4. Step 4: Simplify right side
    9,011.15x = 82,739,796.58
  5. Step 5: Solve for x
    x = 82,739,796.58/9,011.15
  6. Step 6: Final answer
    x = 9,181.94

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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.