Home / 14,150.35-21,222.78-13,447.90

Finding the Fourth Proportional to 14,150.35, 21,222.78 and 13,447.90

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Solution

The fourth proportional to 14,150.35, 21,222.78 and 13,447.90 is: 20,169.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,150.35 : 21,222.78 = 13,447.90 : x
  2. Step 2: Convert to fraction form
    14,150.35/21,222.78 = 13,447.90/x
  3. Step 3: Cross multiply
    14,150.35x = 21,222.78 × 13,447.90
  4. Step 4: Simplify right side
    14,150.35x = 285,401,823.16
  5. Step 5: Solve for x
    x = 285,401,823.16/14,150.35
  6. Step 6: Final answer
    x = 20,169.24

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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.