Home / 11,212.94-16,805.64-4,972.16

Finding the Fourth Proportional to 11,212.94, 16,805.64 and 4,972.16

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Solution

The fourth proportional to 11,212.94, 16,805.64 and 4,972.16 is: 7,452.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,212.94 : 16,805.64 = 4,972.16 : x
  2. Step 2: Convert to fraction form
    11,212.94/16,805.64 = 4,972.16/x
  3. Step 3: Cross multiply
    11,212.94x = 16,805.64 × 4,972.16
  4. Step 4: Simplify right side
    11,212.94x = 83,560,330.98
  5. Step 5: Solve for x
    x = 83,560,330.98/11,212.94
  6. Step 6: Final answer
    x = 7,452.13

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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.