Home / 11,385.93-17,078.28-4,369.31

Finding the Fourth Proportional to 11,385.93, 17,078.28 and 4,369.31

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Solution

The fourth proportional to 11,385.93, 17,078.28 and 4,369.31 is: 6,553.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,385.93 : 17,078.28 = 4,369.31 : x
  2. Step 2: Convert to fraction form
    11,385.93/17,078.28 = 4,369.31/x
  3. Step 3: Cross multiply
    11,385.93x = 17,078.28 × 4,369.31
  4. Step 4: Simplify right side
    11,385.93x = 74,620,299.59
  5. Step 5: Solve for x
    x = 74,620,299.59/11,385.93
  6. Step 6: Final answer
    x = 6,553.73

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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.