Home / 12,801.26-19,197.27-4,905.99

Finding the Fourth Proportional to 12,801.26, 19,197.27 and 4,905.99

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Solution

The fourth proportional to 12,801.26, 19,197.27 and 4,905.99 is: 7,357.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,801.26 : 19,197.27 = 4,905.99 : x
  2. Step 2: Convert to fraction form
    12,801.26/19,197.27 = 4,905.99/x
  3. Step 3: Cross multiply
    12,801.26x = 19,197.27 × 4,905.99
  4. Step 4: Simplify right side
    12,801.26x = 94,181,614.65
  5. Step 5: Solve for x
    x = 94,181,614.65/12,801.26
  6. Step 6: Final answer
    x = 7,357.21

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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.