Home / 9,514.80-14,272.20-7,327.80

Finding the Fourth Proportional to 9,514.80, 14,272.20 and 7,327.80

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Solution

The fourth proportional to 9,514.80, 14,272.20 and 7,327.80 is: 10,991.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,514.80 : 14,272.20 = 7,327.80 : x
  2. Step 2: Convert to fraction form
    9,514.80/14,272.20 = 7,327.80/x
  3. Step 3: Cross multiply
    9,514.80x = 14,272.20 × 7,327.80
  4. Step 4: Simplify right side
    9,514.80x = 104,583,827.16
  5. Step 5: Solve for x
    x = 104,583,827.16/9,514.80
  6. Step 6: Final answer
    x = 10,991.70

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Double scale
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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.