Home / 14,179.37-21,272.21-4,319.41

Finding the Fourth Proportional to 14,179.37, 21,272.21 and 4,319.41

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Solution

The fourth proportional to 14,179.37, 21,272.21 and 4,319.41 is: 6,480.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,179.37 : 21,272.21 = 4,319.41 : x
  2. Step 2: Convert to fraction form
    14,179.37/21,272.21 = 4,319.41/x
  3. Step 3: Cross multiply
    14,179.37x = 21,272.21 × 4,319.41
  4. Step 4: Simplify right side
    14,179.37x = 91,883,354.21
  5. Step 5: Solve for x
    x = 91,883,354.21/14,179.37
  6. Step 6: Final answer
    x = 6,480.08

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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.