Home / 18,892.89-28,329.55-5,564.14

Finding the Fourth Proportional to 18,892.89, 28,329.55 and 5,564.14

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Solution

The fourth proportional to 18,892.89, 28,329.55 and 5,564.14 is: 8,343.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,892.89 : 28,329.55 = 5,564.14 : x
  2. Step 2: Convert to fraction form
    18,892.89/28,329.55 = 5,564.14/x
  3. Step 3: Cross multiply
    18,892.89x = 28,329.55 × 5,564.14
  4. Step 4: Simplify right side
    18,892.89x = 157,629,582.34
  5. Step 5: Solve for x
    x = 157,629,582.34/18,892.89
  6. Step 6: Final answer
    x = 8,343.33

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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.