Home / 10,007.22-13,810.80-5,531.85

Finding the Fourth Proportional to 10,007.22, 13,810.80 and 5,531.85

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Solution

The fourth proportional to 10,007.22, 13,810.80 and 5,531.85 is: 7,634.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,007.22 : 13,810.80 = 5,531.85 : x
  2. Step 2: Convert to fraction form
    10,007.22/13,810.80 = 5,531.85/x
  3. Step 3: Cross multiply
    10,007.22x = 13,810.80 × 5,531.85
  4. Step 4: Simplify right side
    10,007.22x = 76,399,273.98
  5. Step 5: Solve for x
    x = 76,399,273.98/10,007.22
  6. Step 6: Final answer
    x = 7,634.42

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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.