Home / 11,022.40-16,519.20-4,443.20

Finding the Fourth Proportional to 11,022.40, 16,519.20 and 4,443.20

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Solution

The fourth proportional to 11,022.40, 16,519.20 and 4,443.20 is: 6,659.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,022.40 : 16,519.20 = 4,443.20 : x
  2. Step 2: Convert to fraction form
    11,022.40/16,519.20 = 4,443.20/x
  3. Step 3: Cross multiply
    11,022.40x = 16,519.20 × 4,443.20
  4. Step 4: Simplify right side
    11,022.40x = 73,398,109.44
  5. Step 5: Solve for x
    x = 73,398,109.44/11,022.40
  6. Step 6: Final answer
    x = 6,659.00

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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.