Home / 11,216.90-16,827.18-3,820.60

Finding the Fourth Proportional to 11,216.90, 16,827.18 and 3,820.60

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Solution

The fourth proportional to 11,216.90, 16,827.18 and 3,820.60 is: 5,731.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,216.90 : 16,827.18 = 3,820.60 : x
  2. Step 2: Convert to fraction form
    11,216.90/16,827.18 = 3,820.60/x
  3. Step 3: Cross multiply
    11,216.90x = 16,827.18 × 3,820.60
  4. Step 4: Simplify right side
    11,216.90x = 64,289,923.91
  5. Step 5: Solve for x
    x = 64,289,923.91/11,216.90
  6. Step 6: Final answer
    x = 5,731.52

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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.