Home / 14,214.06-21,321-3,825.81

Finding the Fourth Proportional to 14,214.06, 21,321 and 3,825.81

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Solution

The fourth proportional to 14,214.06, 21,321 and 3,825.81 is: 5,738.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,214.06 : 21,321 = 3,825.81 : x
  2. Step 2: Convert to fraction form
    14,214.06/21,321 = 3,825.81/x
  3. Step 3: Cross multiply
    14,214.06x = 21,321 × 3,825.81
  4. Step 4: Simplify right side
    14,214.06x = 81,570,095.01
  5. Step 5: Solve for x
    x = 81,570,095.01/14,214.06
  6. Step 6: Final answer
    x = 5,738.69

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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.