Home / 13,291-19,939.02-4,976.92

Finding the Fourth Proportional to 13,291, 19,939.02 and 4,976.92

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Solution

The fourth proportional to 13,291, 19,939.02 and 4,976.92 is: 7,466.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,291 : 19,939.02 = 4,976.92 : x
  2. Step 2: Convert to fraction form
    13,291/19,939.02 = 4,976.92/x
  3. Step 3: Cross multiply
    13,291x = 19,939.02 × 4,976.92
  4. Step 4: Simplify right side
    13,291x = 99,234,907.42
  5. Step 5: Solve for x
    x = 99,234,907.42/13,291
  6. Step 6: Final answer
    x = 7,466.32

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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.