Home / 36,074.80-54,112.20-9,778.86

Finding the Fourth Proportional to 36,074.80, 54,112.20 and 9,778.86

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Solution

The fourth proportional to 36,074.80, 54,112.20 and 9,778.86 is: 14,668.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,074.80 : 54,112.20 = 9,778.86 : x
  2. Step 2: Convert to fraction form
    36,074.80/54,112.20 = 9,778.86/x
  3. Step 3: Cross multiply
    36,074.80x = 54,112.20 × 9,778.86
  4. Step 4: Simplify right side
    36,074.80x = 529,155,646.43
  5. Step 5: Solve for x
    x = 529,155,646.43/36,074.80
  6. Step 6: Final answer
    x = 14,668.29

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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.