Home / 10,943.80-16,415.82-3,152.60

Finding the Fourth Proportional to 10,943.80, 16,415.82 and 3,152.60

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Solution

The fourth proportional to 10,943.80, 16,415.82 and 3,152.60 is: 4,728.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,943.80 : 16,415.82 = 3,152.60 : x
  2. Step 2: Convert to fraction form
    10,943.80/16,415.82 = 3,152.60/x
  3. Step 3: Cross multiply
    10,943.80x = 16,415.82 × 3,152.60
  4. Step 4: Simplify right side
    10,943.80x = 51,752,514.13
  5. Step 5: Solve for x
    x = 51,752,514.13/10,943.80
  6. Step 6: Final answer
    x = 4,728.93

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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.