Home / 11,625.18-16,042.62-6,319.88

Finding the Fourth Proportional to 11,625.18, 16,042.62 and 6,319.88

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Solution

The fourth proportional to 11,625.18, 16,042.62 and 6,319.88 is: 8,721.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,625.18 : 16,042.62 = 6,319.88 : x
  2. Step 2: Convert to fraction form
    11,625.18/16,042.62 = 6,319.88/x
  3. Step 3: Cross multiply
    11,625.18x = 16,042.62 × 6,319.88
  4. Step 4: Simplify right side
    11,625.18x = 101,387,433.29
  5. Step 5: Solve for x
    x = 101,387,433.29/11,625.18
  6. Step 6: Final answer
    x = 8,721.36

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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.