Home / 13,826.02-20,738.94-3,437.74

Finding the Fourth Proportional to 13,826.02, 20,738.94 and 3,437.74

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Solution

The fourth proportional to 13,826.02, 20,738.94 and 3,437.74 is: 5,156.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,826.02 : 20,738.94 = 3,437.74 : x
  2. Step 2: Convert to fraction form
    13,826.02/20,738.94 = 3,437.74/x
  3. Step 3: Cross multiply
    13,826.02x = 20,738.94 × 3,437.74
  4. Step 4: Simplify right side
    13,826.02x = 71,295,083.60
  5. Step 5: Solve for x
    x = 71,295,083.60/13,826.02
  6. Step 6: Final answer
    x = 5,156.59

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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.