Home / 11,299.21-16,948.06-3,903.77

Finding the Fourth Proportional to 11,299.21, 16,948.06 and 3,903.77

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Solution

The fourth proportional to 11,299.21, 16,948.06 and 3,903.77 is: 5,855.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,299.21 : 16,948.06 = 3,903.77 : x
  2. Step 2: Convert to fraction form
    11,299.21/16,948.06 = 3,903.77/x
  3. Step 3: Cross multiply
    11,299.21x = 16,948.06 × 3,903.77
  4. Step 4: Simplify right side
    11,299.21x = 66,161,328.19
  5. Step 5: Solve for x
    x = 66,161,328.19/11,299.21
  6. Step 6: Final answer
    x = 5,855.39

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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.