Home / 13,822.84-20,734.08-3,434.52

Finding the Fourth Proportional to 13,822.84, 20,734.08 and 3,434.52

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Solution

The fourth proportional to 13,822.84, 20,734.08 and 3,434.52 is: 5,151.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,822.84 : 20,734.08 = 3,434.52 : x
  2. Step 2: Convert to fraction form
    13,822.84/20,734.08 = 3,434.52/x
  3. Step 3: Cross multiply
    13,822.84x = 20,734.08 × 3,434.52
  4. Step 4: Simplify right side
    13,822.84x = 71,211,612.44
  5. Step 5: Solve for x
    x = 71,211,612.44/13,822.84
  6. Step 6: Final answer
    x = 5,151.74

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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.