Home / 11,219.38-16,818.34-4,197.48

Finding the Fourth Proportional to 11,219.38, 16,818.34 and 4,197.48

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Solution

The fourth proportional to 11,219.38, 16,818.34 and 4,197.48 is: 6,292.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,219.38 : 16,818.34 = 4,197.48 : x
  2. Step 2: Convert to fraction form
    11,219.38/16,818.34 = 4,197.48/x
  3. Step 3: Cross multiply
    11,219.38x = 16,818.34 × 4,197.48
  4. Step 4: Simplify right side
    11,219.38x = 70,594,645.78
  5. Step 5: Solve for x
    x = 70,594,645.78/11,219.38
  6. Step 6: Final answer
    x = 6,292.21

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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.