Home / 14,480.19-21,722.07-5,118.28

Finding the Fourth Proportional to 14,480.19, 21,722.07 and 5,118.28

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Solution

The fourth proportional to 14,480.19, 21,722.07 and 5,118.28 is: 7,678.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,480.19 : 21,722.07 = 5,118.28 : x
  2. Step 2: Convert to fraction form
    14,480.19/21,722.07 = 5,118.28/x
  3. Step 3: Cross multiply
    14,480.19x = 21,722.07 × 5,118.28
  4. Step 4: Simplify right side
    14,480.19x = 111,179,601.33
  5. Step 5: Solve for x
    x = 111,179,601.33/14,480.19
  6. Step 6: Final answer
    x = 7,678.05

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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.