Home / 11,002.20-16,504.02-4,428.36

Finding the Fourth Proportional to 11,002.20, 16,504.02 and 4,428.36

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Solution

The fourth proportional to 11,002.20, 16,504.02 and 4,428.36 is: 6,642.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,002.20 : 16,504.02 = 4,428.36 : x
  2. Step 2: Convert to fraction form
    11,002.20/16,504.02 = 4,428.36/x
  3. Step 3: Cross multiply
    11,002.20x = 16,504.02 × 4,428.36
  4. Step 4: Simplify right side
    11,002.20x = 73,085,742.01
  5. Step 5: Solve for x
    x = 73,085,742.01/11,002.20
  6. Step 6: Final answer
    x = 6,642.83

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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.