Home / 14,054.89-21,077.21-4,190.84

Finding the Fourth Proportional to 14,054.89, 21,077.21 and 4,190.84

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Solution

The fourth proportional to 14,054.89, 21,077.21 and 4,190.84 is: 6,284.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,054.89 : 21,077.21 = 4,190.84 : x
  2. Step 2: Convert to fraction form
    14,054.89/21,077.21 = 4,190.84/x
  3. Step 3: Cross multiply
    14,054.89x = 21,077.21 × 4,190.84
  4. Step 4: Simplify right side
    14,054.89x = 88,331,198.89
  5. Step 5: Solve for x
    x = 88,331,198.89/14,054.89
  6. Step 6: Final answer
    x = 6,284.73

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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.