Home / 14,180.72-21,274.16-4,319.75

Finding the Fourth Proportional to 14,180.72, 21,274.16 and 4,319.75

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Solution

The fourth proportional to 14,180.72, 21,274.16 and 4,319.75 is: 6,480.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,180.72 : 21,274.16 = 4,319.75 : x
  2. Step 2: Convert to fraction form
    14,180.72/21,274.16 = 4,319.75/x
  3. Step 3: Cross multiply
    14,180.72x = 21,274.16 × 4,319.75
  4. Step 4: Simplify right side
    14,180.72x = 91,899,052.66
  5. Step 5: Solve for x
    x = 91,899,052.66/14,180.72
  6. Step 6: Final answer
    x = 6,480.56

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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.