Home / 12,247.27-18,379.09-4,456.08

Finding the Fourth Proportional to 12,247.27, 18,379.09 and 4,456.08

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Solution

The fourth proportional to 12,247.27, 18,379.09 and 4,456.08 is: 6,687.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,247.27 : 18,379.09 = 4,456.08 : x
  2. Step 2: Convert to fraction form
    12,247.27/18,379.09 = 4,456.08/x
  3. Step 3: Cross multiply
    12,247.27x = 18,379.09 × 4,456.08
  4. Step 4: Simplify right side
    12,247.27x = 81,898,603.47
  5. Step 5: Solve for x
    x = 81,898,603.47/12,247.27
  6. Step 6: Final answer
    x = 6,687.09

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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.