Home / 11,474.48-17,211.80-4,079.20

Finding the Fourth Proportional to 11,474.48, 17,211.80 and 4,079.20

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Solution

The fourth proportional to 11,474.48, 17,211.80 and 4,079.20 is: 6,118.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,474.48 : 17,211.80 = 4,079.20 : x
  2. Step 2: Convert to fraction form
    11,474.48/17,211.80 = 4,079.20/x
  3. Step 3: Cross multiply
    11,474.48x = 17,211.80 × 4,079.20
  4. Step 4: Simplify right side
    11,474.48x = 70,210,374.56
  5. Step 5: Solve for x
    x = 70,210,374.56/11,474.48
  6. Step 6: Final answer
    x = 6,118.83

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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.