Home / 15,351.69-23,022.63-5,989.43

Finding the Fourth Proportional to 15,351.69, 23,022.63 and 5,989.43

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Solution

The fourth proportional to 15,351.69, 23,022.63 and 5,989.43 is: 8,982.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,351.69 : 23,022.63 = 5,989.43 : x
  2. Step 2: Convert to fraction form
    15,351.69/23,022.63 = 5,989.43/x
  3. Step 3: Cross multiply
    15,351.69x = 23,022.63 × 5,989.43
  4. Step 4: Simplify right side
    15,351.69x = 137,892,315.69
  5. Step 5: Solve for x
    x = 137,892,315.69/15,351.69
  6. Step 6: Final answer
    x = 8,982.22

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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.