Home / 8,747.02-13,172.83-7,664.46

Finding the Fourth Proportional to 8,747.02, 13,172.83 and 7,664.46

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Solution

The fourth proportional to 8,747.02, 13,172.83 and 7,664.46 is: 11,542.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747.02 : 13,172.83 = 7,664.46 : x
  2. Step 2: Convert to fraction form
    8,747.02/13,172.83 = 7,664.46/x
  3. Step 3: Cross multiply
    8,747.02x = 13,172.83 × 7,664.46
  4. Step 4: Simplify right side
    8,747.02x = 100,962,628.62
  5. Step 5: Solve for x
    x = 100,962,628.62/8,747.02
  6. Step 6: Final answer
    x = 11,542.52

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.