Home / 12,532.73-18,802.13-5,137.02

Finding the Fourth Proportional to 12,532.73, 18,802.13 and 5,137.02

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Solution

The fourth proportional to 12,532.73, 18,802.13 and 5,137.02 is: 7,706.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,532.73 : 18,802.13 = 5,137.02 : x
  2. Step 2: Convert to fraction form
    12,532.73/18,802.13 = 5,137.02/x
  3. Step 3: Cross multiply
    12,532.73x = 18,802.13 × 5,137.02
  4. Step 4: Simplify right side
    12,532.73x = 96,586,892.17
  5. Step 5: Solve for x
    x = 96,586,892.17/12,532.73
  6. Step 6: Final answer
    x = 7,706.78

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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.