Home / 14,042.89-19,379.06-7,755.13

Finding the Fourth Proportional to 14,042.89, 19,379.06 and 7,755.13

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Solution

The fourth proportional to 14,042.89, 19,379.06 and 7,755.13 is: 10,702.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,042.89 : 19,379.06 = 7,755.13 : x
  2. Step 2: Convert to fraction form
    14,042.89/19,379.06 = 7,755.13/x
  3. Step 3: Cross multiply
    14,042.89x = 19,379.06 × 7,755.13
  4. Step 4: Simplify right side
    14,042.89x = 150,287,129.58
  5. Step 5: Solve for x
    x = 150,287,129.58/14,042.89
  6. Step 6: Final answer
    x = 10,702.01

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1.5x scale

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.