Home / 11,542.86-17,312.40-4,145.94

Finding the Fourth Proportional to 11,542.86, 17,312.40 and 4,145.94

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Solution

The fourth proportional to 11,542.86, 17,312.40 and 4,145.94 is: 6,218.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,542.86 : 17,312.40 = 4,145.94 : x
  2. Step 2: Convert to fraction form
    11,542.86/17,312.40 = 4,145.94/x
  3. Step 3: Cross multiply
    11,542.86x = 17,312.40 × 4,145.94
  4. Step 4: Simplify right side
    11,542.86x = 71,776,171.66
  5. Step 5: Solve for x
    x = 71,776,171.66/11,542.86
  6. Step 6: Final answer
    x = 6,218.23

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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.