Home / 11,038.35-16,551.95-3,640.37

Finding the Fourth Proportional to 11,038.35, 16,551.95 and 3,640.37

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Solution

The fourth proportional to 11,038.35, 16,551.95 and 3,640.37 is: 5,458.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,038.35 : 16,551.95 = 3,640.37 : x
  2. Step 2: Convert to fraction form
    11,038.35/16,551.95 = 3,640.37/x
  3. Step 3: Cross multiply
    11,038.35x = 16,551.95 × 3,640.37
  4. Step 4: Simplify right side
    11,038.35x = 60,255,167.81
  5. Step 5: Solve for x
    x = 60,255,167.81/11,038.35
  6. Step 6: Final answer
    x = 5,458.71

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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.