Home / 13,819.59-20,730.47-4,936.84

Finding the Fourth Proportional to 13,819.59, 20,730.47 and 4,936.84

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Solution

The fourth proportional to 13,819.59, 20,730.47 and 4,936.84 is: 7,405.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,819.59 : 20,730.47 = 4,936.84 : x
  2. Step 2: Convert to fraction form
    13,819.59/20,730.47 = 4,936.84/x
  3. Step 3: Cross multiply
    13,819.59x = 20,730.47 × 4,936.84
  4. Step 4: Simplify right side
    13,819.59x = 102,342,937.00
  5. Step 5: Solve for x
    x = 102,342,937.00/13,819.59
  6. Step 6: Final answer
    x = 7,405.64

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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.