Home / 14,194.12-21,183.06-13,621.82

Finding the Fourth Proportional to 14,194.12, 21,183.06 and 13,621.82

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Solution

The fourth proportional to 14,194.12, 21,183.06 and 13,621.82 is: 20,328.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,194.12 : 21,183.06 = 13,621.82 : x
  2. Step 2: Convert to fraction form
    14,194.12/21,183.06 = 13,621.82/x
  3. Step 3: Cross multiply
    14,194.12x = 21,183.06 × 13,621.82
  4. Step 4: Simplify right side
    14,194.12x = 288,551,830.37
  5. Step 5: Solve for x
    x = 288,551,830.37/14,194.12
  6. Step 6: Final answer
    x = 20,328.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.