Home / 14,193.80-21,290.70-11,224.20

Finding the Fourth Proportional to 14,193.80, 21,290.70 and 11,224.20

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Solution

The fourth proportional to 14,193.80, 21,290.70 and 11,224.20 is: 16,836.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,193.80 : 21,290.70 = 11,224.20 : x
  2. Step 2: Convert to fraction form
    14,193.80/21,290.70 = 11,224.20/x
  3. Step 3: Cross multiply
    14,193.80x = 21,290.70 × 11,224.20
  4. Step 4: Simplify right side
    14,193.80x = 238,971,074.94
  5. Step 5: Solve for x
    x = 238,971,074.94/14,193.80
  6. Step 6: Final answer
    x = 16,836.30

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Similar ratio
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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.