Home / 12,117.99-18,169.55-4,713.83

Finding the Fourth Proportional to 12,117.99, 18,169.55 and 4,713.83

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Solution

The fourth proportional to 12,117.99, 18,169.55 and 4,713.83 is: 7,067.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,117.99 : 18,169.55 = 4,713.83 : x
  2. Step 2: Convert to fraction form
    12,117.99/18,169.55 = 4,713.83/x
  3. Step 3: Cross multiply
    12,117.99x = 18,169.55 × 4,713.83
  4. Step 4: Simplify right side
    12,117.99x = 85,648,141.27
  5. Step 5: Solve for x
    x = 85,648,141.27/12,117.99
  6. Step 6: Final answer
    x = 7,067.85

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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.