Home / 13,820.84-20,735.28-4,460.66

Finding the Fourth Proportional to 13,820.84, 20,735.28 and 4,460.66

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Solution

The fourth proportional to 13,820.84, 20,735.28 and 4,460.66 is: 6,692.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,820.84 : 20,735.28 = 4,460.66 : x
  2. Step 2: Convert to fraction form
    13,820.84/20,735.28 = 4,460.66/x
  3. Step 3: Cross multiply
    13,820.84x = 20,735.28 × 4,460.66
  4. Step 4: Simplify right side
    13,820.84x = 92,493,034.08
  5. Step 5: Solve for x
    x = 92,493,034.08/13,820.84
  6. Step 6: Final answer
    x = 6,692.29

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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.