Home / 16,771.80-25,161.48-5,677.86

Finding the Fourth Proportional to 16,771.80, 25,161.48 and 5,677.86

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Solution

The fourth proportional to 16,771.80, 25,161.48 and 5,677.86 is: 8,518.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,771.80 : 25,161.48 = 5,677.86 : x
  2. Step 2: Convert to fraction form
    16,771.80/25,161.48 = 5,677.86/x
  3. Step 3: Cross multiply
    16,771.80x = 25,161.48 × 5,677.86
  4. Step 4: Simplify right side
    16,771.80x = 142,863,360.83
  5. Step 5: Solve for x
    x = 142,863,360.83/16,771.80
  6. Step 6: Final answer
    x = 8,518.07

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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.