Home / 14,042.96-19,379.16-7,755.28

Finding the Fourth Proportional to 14,042.96, 19,379.16 and 7,755.28

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Solution

The fourth proportional to 14,042.96, 19,379.16 and 7,755.28 is: 10,702.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,042.96 : 19,379.16 = 7,755.28 : x
  2. Step 2: Convert to fraction form
    14,042.96/19,379.16 = 7,755.28/x
  3. Step 3: Cross multiply
    14,042.96x = 19,379.16 × 7,755.28
  4. Step 4: Simplify right side
    14,042.96x = 150,290,811.96
  5. Step 5: Solve for x
    x = 150,290,811.96/14,042.96
  6. Step 6: Final answer
    x = 10,702.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.