Home / 14,121.14-21,181.70-4,887.14

Finding the Fourth Proportional to 14,121.14, 21,181.70 and 4,887.14

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Solution

The fourth proportional to 14,121.14, 21,181.70 and 4,887.14 is: 7,330.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,121.14 : 21,181.70 = 4,887.14 : x
  2. Step 2: Convert to fraction form
    14,121.14/21,181.70 = 4,887.14/x
  3. Step 3: Cross multiply
    14,121.14x = 21,181.70 × 4,887.14
  4. Step 4: Simplify right side
    14,121.14x = 103,517,933.34
  5. Step 5: Solve for x
    x = 103,517,933.34/14,121.14
  6. Step 6: Final answer
    x = 7,330.71

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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.