Home / 13,730.64-20,595.98-3,342.39

Finding the Fourth Proportional to 13,730.64, 20,595.98 and 3,342.39

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Solution

The fourth proportional to 13,730.64, 20,595.98 and 3,342.39 is: 5,013.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,730.64 : 20,595.98 = 3,342.39 : x
  2. Step 2: Convert to fraction form
    13,730.64/20,595.98 = 3,342.39/x
  3. Step 3: Cross multiply
    13,730.64x = 20,595.98 × 3,342.39
  4. Step 4: Simplify right side
    13,730.64x = 68,839,797.59
  5. Step 5: Solve for x
    x = 68,839,797.59/13,730.64
  6. Step 6: Final answer
    x = 5,013.59

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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.