Home / 10,684.44-16,032.39-5,490.31

Finding the Fourth Proportional to 10,684.44, 16,032.39 and 5,490.31

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Solution

The fourth proportional to 10,684.44, 16,032.39 and 5,490.31 is: 8,238.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,684.44 : 16,032.39 = 5,490.31 : x
  2. Step 2: Convert to fraction form
    10,684.44/16,032.39 = 5,490.31/x
  3. Step 3: Cross multiply
    10,684.44x = 16,032.39 × 5,490.31
  4. Step 4: Simplify right side
    10,684.44x = 88,022,791.14
  5. Step 5: Solve for x
    x = 88,022,791.14/10,684.44
  6. Step 6: Final answer
    x = 8,238.41

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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.