Home / 11,379.29-17,042.70-10,985.27

Finding the Fourth Proportional to 11,379.29, 17,042.70 and 10,985.27

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Solution

The fourth proportional to 11,379.29, 17,042.70 and 10,985.27 is: 16,452.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,379.29 : 17,042.70 = 10,985.27 : x
  2. Step 2: Convert to fraction form
    11,379.29/17,042.70 = 10,985.27/x
  3. Step 3: Cross multiply
    11,379.29x = 17,042.70 × 10,985.27
  4. Step 4: Simplify right side
    11,379.29x = 187,218,712.88
  5. Step 5: Solve for x
    x = 187,218,712.88/11,379.29
  6. Step 6: Final answer
    x = 16,452.59

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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.