Home / 11,197.76-16,798.80-3,405.92

Finding the Fourth Proportional to 11,197.76, 16,798.80 and 3,405.92

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Solution

The fourth proportional to 11,197.76, 16,798.80 and 3,405.92 is: 5,109.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,197.76 : 16,798.80 = 3,405.92 : x
  2. Step 2: Convert to fraction form
    11,197.76/16,798.80 = 3,405.92/x
  3. Step 3: Cross multiply
    11,197.76x = 16,798.80 × 3,405.92
  4. Step 4: Simplify right side
    11,197.76x = 57,215,368.90
  5. Step 5: Solve for x
    x = 57,215,368.90/11,197.76
  6. Step 6: Final answer
    x = 5,109.54

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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.