Home / 14,272.32-21,469.92-12,244.80

Finding the Fourth Proportional to 14,272.32, 21,469.92 and 12,244.80

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Solution

The fourth proportional to 14,272.32, 21,469.92 and 12,244.80 is: 18,419.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,272.32 : 21,469.92 = 12,244.80 : x
  2. Step 2: Convert to fraction form
    14,272.32/21,469.92 = 12,244.80/x
  3. Step 3: Cross multiply
    14,272.32x = 21,469.92 × 12,244.80
  4. Step 4: Simplify right side
    14,272.32x = 262,894,876.42
  5. Step 5: Solve for x
    x = 262,894,876.42/14,272.32
  6. Step 6: Final answer
    x = 18,419.91

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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.