Home / 11,109.60-16,652.88-3,708.48

Finding the Fourth Proportional to 11,109.60, 16,652.88 and 3,708.48

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Solution

The fourth proportional to 11,109.60, 16,652.88 and 3,708.48 is: 5,558.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,109.60 : 16,652.88 = 3,708.48 : x
  2. Step 2: Convert to fraction form
    11,109.60/16,652.88 = 3,708.48/x
  3. Step 3: Cross multiply
    11,109.60x = 16,652.88 × 3,708.48
  4. Step 4: Simplify right side
    11,109.60x = 61,756,872.42
  5. Step 5: Solve for x
    x = 61,756,872.42/11,109.60
  6. Step 6: Final answer
    x = 5,558.87

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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.