Home / 11,232.81-16,849.08-2,912.09

Finding the Fourth Proportional to 11,232.81, 16,849.08 and 2,912.09

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Solution

The fourth proportional to 11,232.81, 16,849.08 and 2,912.09 is: 4,368.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,232.81 : 16,849.08 = 2,912.09 : x
  2. Step 2: Convert to fraction form
    11,232.81/16,849.08 = 2,912.09/x
  3. Step 3: Cross multiply
    11,232.81x = 16,849.08 × 2,912.09
  4. Step 4: Simplify right side
    11,232.81x = 49,065,953.13
  5. Step 5: Solve for x
    x = 49,065,953.13/11,232.81
  6. Step 6: Final answer
    x = 4,368.09

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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.