Home / 10,669.28-16,002.72-4,090.85

Finding the Fourth Proportional to 10,669.28, 16,002.72 and 4,090.85

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Solution

The fourth proportional to 10,669.28, 16,002.72 and 4,090.85 is: 6,135.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,669.28 : 16,002.72 = 4,090.85 : x
  2. Step 2: Convert to fraction form
    10,669.28/16,002.72 = 4,090.85/x
  3. Step 3: Cross multiply
    10,669.28x = 16,002.72 × 4,090.85
  4. Step 4: Simplify right side
    10,669.28x = 65,464,707.11
  5. Step 5: Solve for x
    x = 65,464,707.11/10,669.28
  6. Step 6: Final answer
    x = 6,135.81

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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.