Home / 14,249.80-21,374.70-9,292.60

Finding the Fourth Proportional to 14,249.80, 21,374.70 and 9,292.60

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Solution

The fourth proportional to 14,249.80, 21,374.70 and 9,292.60 is: 13,938.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,249.80 : 21,374.70 = 9,292.60 : x
  2. Step 2: Convert to fraction form
    14,249.80/21,374.70 = 9,292.60/x
  3. Step 3: Cross multiply
    14,249.80x = 21,374.70 × 9,292.60
  4. Step 4: Simplify right side
    14,249.80x = 198,626,537.22
  5. Step 5: Solve for x
    x = 198,626,537.22/14,249.80
  6. Step 6: Final answer
    x = 13,938.90

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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.