Home / 8,139.13-12,194.77-4,443.96

Finding the Fourth Proportional to 8,139.13, 12,194.77 and 4,443.96

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Solution

The fourth proportional to 8,139.13, 12,194.77 and 4,443.96 is: 6,658.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,139.13 : 12,194.77 = 4,443.96 : x
  2. Step 2: Convert to fraction form
    8,139.13/12,194.77 = 4,443.96/x
  3. Step 3: Cross multiply
    8,139.13x = 12,194.77 × 4,443.96
  4. Step 4: Simplify right side
    8,139.13x = 54,193,058.98
  5. Step 5: Solve for x
    x = 54,193,058.98/8,139.13
  6. Step 6: Final answer
    x = 6,658.34

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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.