Home / 14,377.64-21,571.01-4,517.91

Finding the Fourth Proportional to 14,377.64, 21,571.01 and 4,517.91

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Solution

The fourth proportional to 14,377.64, 21,571.01 and 4,517.91 is: 6,778.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,377.64 : 21,571.01 = 4,517.91 : x
  2. Step 2: Convert to fraction form
    14,377.64/21,571.01 = 4,517.91/x
  3. Step 3: Cross multiply
    14,377.64x = 21,571.01 × 4,517.91
  4. Step 4: Simplify right side
    14,377.64x = 97,455,859.20
  5. Step 5: Solve for x
    x = 97,455,859.20/14,377.64
  6. Step 6: Final answer
    x = 6,778.30

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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.