Home / 11,888.20-17,836.28-4,494.76

Finding the Fourth Proportional to 11,888.20, 17,836.28 and 4,494.76

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Solution

The fourth proportional to 11,888.20, 17,836.28 and 4,494.76 is: 6,743.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,888.20 : 17,836.28 = 4,494.76 : x
  2. Step 2: Convert to fraction form
    11,888.20/17,836.28 = 4,494.76/x
  3. Step 3: Cross multiply
    11,888.20x = 17,836.28 × 4,494.76
  4. Step 4: Simplify right side
    11,888.20x = 80,169,797.89
  5. Step 5: Solve for x
    x = 80,169,797.89/11,888.20
  6. Step 6: Final answer
    x = 6,743.64

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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.