Home / 11,385.94-17,078.30-4,369.32

Finding the Fourth Proportional to 11,385.94, 17,078.30 and 4,369.32

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Solution

The fourth proportional to 11,385.94, 17,078.30 and 4,369.32 is: 6,553.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,385.94 : 17,078.30 = 4,369.32 : x
  2. Step 2: Convert to fraction form
    11,385.94/17,078.30 = 4,369.32/x
  3. Step 3: Cross multiply
    11,385.94x = 17,078.30 × 4,369.32
  4. Step 4: Simplify right side
    11,385.94x = 74,620,557.76
  5. Step 5: Solve for x
    x = 74,620,557.76/11,385.94
  6. Step 6: Final answer
    x = 6,553.75

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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.