Home / 14,121.25-21,208.19-12,433.23

Finding the Fourth Proportional to 14,121.25, 21,208.19 and 12,433.23

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Solution

The fourth proportional to 14,121.25, 21,208.19 and 12,433.23 is: 18,673.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,121.25 : 21,208.19 = 12,433.23 : x
  2. Step 2: Convert to fraction form
    14,121.25/21,208.19 = 12,433.23/x
  3. Step 3: Cross multiply
    14,121.25x = 21,208.19 × 12,433.23
  4. Step 4: Simplify right side
    14,121.25x = 263,686,241.99
  5. Step 5: Solve for x
    x = 263,686,241.99/14,121.25
  6. Step 6: Final answer
    x = 18,673.01

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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.