Home / 13,285.44-19,930.14-8,283.74

Finding the Fourth Proportional to 13,285.44, 19,930.14 and 8,283.74

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Solution

The fourth proportional to 13,285.44, 19,930.14 and 8,283.74 is: 12,426.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285.44 : 19,930.14 = 8,283.74 : x
  2. Step 2: Convert to fraction form
    13,285.44/19,930.14 = 8,283.74/x
  3. Step 3: Cross multiply
    13,285.44x = 19,930.14 × 8,283.74
  4. Step 4: Simplify right side
    13,285.44x = 165,096,097.92
  5. Step 5: Solve for x
    x = 165,096,097.92/13,285.44
  6. Step 6: Final answer
    x = 12,426.84

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1.5x scale

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.