Home / 18,943.10-28,414.62-5,795.49

Finding the Fourth Proportional to 18,943.10, 28,414.62 and 5,795.49

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Solution

The fourth proportional to 18,943.10, 28,414.62 and 5,795.49 is: 8,693.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,943.10 : 28,414.62 = 5,795.49 : x
  2. Step 2: Convert to fraction form
    18,943.10/28,414.62 = 5,795.49/x
  3. Step 3: Cross multiply
    18,943.10x = 28,414.62 × 5,795.49
  4. Step 4: Simplify right side
    18,943.10x = 164,676,539.51
  5. Step 5: Solve for x
    x = 164,676,539.51/18,943.10
  6. Step 6: Final answer
    x = 8,693.22

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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.