Home / 14,351.43-21,518.33-4,989.27

Finding the Fourth Proportional to 14,351.43, 21,518.33 and 4,989.27

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Solution

The fourth proportional to 14,351.43, 21,518.33 and 4,989.27 is: 7,480.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,351.43 : 21,518.33 = 4,989.27 : x
  2. Step 2: Convert to fraction form
    14,351.43/21,518.33 = 4,989.27/x
  3. Step 3: Cross multiply
    14,351.43x = 21,518.33 × 4,989.27
  4. Step 4: Simplify right side
    14,351.43x = 107,360,733.37
  5. Step 5: Solve for x
    x = 107,360,733.37/14,351.43
  6. Step 6: Final answer
    x = 7,480.84

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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.