Home / 11,219.20-16,827.44-4,644.62

Finding the Fourth Proportional to 11,219.20, 16,827.44 and 4,644.62

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Solution

The fourth proportional to 11,219.20, 16,827.44 and 4,644.62 is: 6,966.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,219.20 : 16,827.44 = 4,644.62 : x
  2. Step 2: Convert to fraction form
    11,219.20/16,827.44 = 4,644.62/x
  3. Step 3: Cross multiply
    11,219.20x = 16,827.44 × 4,644.62
  4. Step 4: Simplify right side
    11,219.20x = 78,157,064.37
  5. Step 5: Solve for x
    x = 78,157,064.37/11,219.20
  6. Step 6: Final answer
    x = 6,966.37

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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.