Home / 13,734.51-20,603.73-4,247.56

Finding the Fourth Proportional to 13,734.51, 20,603.73 and 4,247.56

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Solution

The fourth proportional to 13,734.51, 20,603.73 and 4,247.56 is: 6,371.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,734.51 : 20,603.73 = 4,247.56 : x
  2. Step 2: Convert to fraction form
    13,734.51/20,603.73 = 4,247.56/x
  3. Step 3: Cross multiply
    13,734.51x = 20,603.73 × 4,247.56
  4. Step 4: Simplify right side
    13,734.51x = 87,515,579.40
  5. Step 5: Solve for x
    x = 87,515,579.40/13,734.51
  6. Step 6: Final answer
    x = 6,371.95

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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.