Home / 14,077.97-21,110.72-4,215.41

Finding the Fourth Proportional to 14,077.97, 21,110.72 and 4,215.41

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Solution

The fourth proportional to 14,077.97, 21,110.72 and 4,215.41 is: 6,321.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,077.97 : 21,110.72 = 4,215.41 : x
  2. Step 2: Convert to fraction form
    14,077.97/21,110.72 = 4,215.41/x
  3. Step 3: Cross multiply
    14,077.97x = 21,110.72 × 4,215.41
  4. Step 4: Simplify right side
    14,077.97x = 88,990,213.56
  5. Step 5: Solve for x
    x = 88,990,213.56/14,077.97
  6. Step 6: Final answer
    x = 6,321.24

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1.5x scale

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.