Home / 11,079.12-16,620.60-4,509.84

Finding the Fourth Proportional to 11,079.12, 16,620.60 and 4,509.84

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Solution

The fourth proportional to 11,079.12, 16,620.60 and 4,509.84 is: 6,765.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,079.12 : 16,620.60 = 4,509.84 : x
  2. Step 2: Convert to fraction form
    11,079.12/16,620.60 = 4,509.84/x
  3. Step 3: Cross multiply
    11,079.12x = 16,620.60 × 4,509.84
  4. Step 4: Simplify right side
    11,079.12x = 74,956,246.70
  5. Step 5: Solve for x
    x = 74,956,246.70/11,079.12
  6. Step 6: Final answer
    x = 6,765.54

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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.