Home / 13,289.74-19,942.46-4,855.49

Finding the Fourth Proportional to 13,289.74, 19,942.46 and 4,855.49

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Solution

The fourth proportional to 13,289.74, 19,942.46 and 4,855.49 is: 7,286.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,289.74 : 19,942.46 = 4,855.49 : x
  2. Step 2: Convert to fraction form
    13,289.74/19,942.46 = 4,855.49/x
  3. Step 3: Cross multiply
    13,289.74x = 19,942.46 × 4,855.49
  4. Step 4: Simplify right side
    13,289.74x = 96,830,390.83
  5. Step 5: Solve for x
    x = 96,830,390.83/13,289.74
  6. Step 6: Final answer
    x = 7,286.10

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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.