Home / 11,256.80-16,873.85-5,410.22

Finding the Fourth Proportional to 11,256.80, 16,873.85 and 5,410.22

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Solution

The fourth proportional to 11,256.80, 16,873.85 and 5,410.22 is: 8,109.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,256.80 : 16,873.85 = 5,410.22 : x
  2. Step 2: Convert to fraction form
    11,256.80/16,873.85 = 5,410.22/x
  3. Step 3: Cross multiply
    11,256.80x = 16,873.85 × 5,410.22
  4. Step 4: Simplify right side
    11,256.80x = 91,291,169.90
  5. Step 5: Solve for x
    x = 91,291,169.90/11,256.80
  6. Step 6: Final answer
    x = 8,109.87

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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.