Home / 14,226.44-19,630.14-7,938.80

Finding the Fourth Proportional to 14,226.44, 19,630.14 and 7,938.80

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Solution

The fourth proportional to 14,226.44, 19,630.14 and 7,938.80 is: 10,954.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,226.44 : 19,630.14 = 7,938.80 : x
  2. Step 2: Convert to fraction form
    14,226.44/19,630.14 = 7,938.80/x
  3. Step 3: Cross multiply
    14,226.44x = 19,630.14 × 7,938.80
  4. Step 4: Simplify right side
    14,226.44x = 155,839,755.43
  5. Step 5: Solve for x
    x = 155,839,755.43/14,226.44
  6. Step 6: Final answer
    x = 10,954.23

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.