Home / 10,747.69-16,127.80-4,507.22

Finding the Fourth Proportional to 10,747.69, 16,127.80 and 4,507.22

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Solution

The fourth proportional to 10,747.69, 16,127.80 and 4,507.22 is: 6,763.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,747.69 : 16,127.80 = 4,507.22 : x
  2. Step 2: Convert to fraction form
    10,747.69/16,127.80 = 4,507.22/x
  3. Step 3: Cross multiply
    10,747.69x = 16,127.80 × 4,507.22
  4. Step 4: Simplify right side
    10,747.69x = 72,691,542.72
  5. Step 5: Solve for x
    x = 72,691,542.72/10,747.69
  6. Step 6: Final answer
    x = 6,763.46

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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.