Home / 11,247.40-16,869.03-4,130.09

Finding the Fourth Proportional to 11,247.40, 16,869.03 and 4,130.09

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Solution

The fourth proportional to 11,247.40, 16,869.03 and 4,130.09 is: 6,194.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,247.40 : 16,869.03 = 4,130.09 : x
  2. Step 2: Convert to fraction form
    11,247.40/16,869.03 = 4,130.09/x
  3. Step 3: Cross multiply
    11,247.40x = 16,869.03 × 4,130.09
  4. Step 4: Simplify right side
    11,247.40x = 69,670,507.12
  5. Step 5: Solve for x
    x = 69,670,507.12/11,247.40
  6. Step 6: Final answer
    x = 6,194.37

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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.