Home / 11,147.40-16,717.22-3,247.74

Finding the Fourth Proportional to 11,147.40, 16,717.22 and 3,247.74

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Solution

The fourth proportional to 11,147.40, 16,717.22 and 3,247.74 is: 4,870.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,147.40 : 16,717.22 = 3,247.74 : x
  2. Step 2: Convert to fraction form
    11,147.40/16,717.22 = 3,247.74/x
  3. Step 3: Cross multiply
    11,147.40x = 16,717.22 × 3,247.74
  4. Step 4: Simplify right side
    11,147.40x = 54,293,184.08
  5. Step 5: Solve for x
    x = 54,293,184.08/11,147.40
  6. Step 6: Final answer
    x = 4,870.48

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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.