Home / 30,162.11-45,249.57-9,103.73

Finding the Fourth Proportional to 30,162.11, 45,249.57 and 9,103.73

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Solution

The fourth proportional to 30,162.11, 45,249.57 and 9,103.73 is: 13,657.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,162.11 : 45,249.57 = 9,103.73 : x
  2. Step 2: Convert to fraction form
    30,162.11/45,249.57 = 9,103.73/x
  3. Step 3: Cross multiply
    30,162.11x = 45,249.57 × 9,103.73
  4. Step 4: Simplify right side
    30,162.11x = 411,939,641.65
  5. Step 5: Solve for x
    x = 411,939,641.65/30,162.11
  6. Step 6: Final answer
    x = 13,657.52

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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.