Home / 11,127.76-16,679.08-4,550.35

Finding the Fourth Proportional to 11,127.76, 16,679.08 and 4,550.35

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Solution

The fourth proportional to 11,127.76, 16,679.08 and 4,550.35 is: 6,820.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,127.76 : 16,679.08 = 4,550.35 : x
  2. Step 2: Convert to fraction form
    11,127.76/16,679.08 = 4,550.35/x
  3. Step 3: Cross multiply
    11,127.76x = 16,679.08 × 4,550.35
  4. Step 4: Simplify right side
    11,127.76x = 75,895,651.68
  5. Step 5: Solve for x
    x = 75,895,651.68/11,127.76
  6. Step 6: Final answer
    x = 6,820.39

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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.