Home / 12,699.16-19,049.56-3,339.41

Finding the Fourth Proportional to 12,699.16, 19,049.56 and 3,339.41

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Solution

The fourth proportional to 12,699.16, 19,049.56 and 3,339.41 is: 5,009.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,699.16 : 19,049.56 = 3,339.41 : x
  2. Step 2: Convert to fraction form
    12,699.16/19,049.56 = 3,339.41/x
  3. Step 3: Cross multiply
    12,699.16x = 19,049.56 × 3,339.41
  4. Step 4: Simplify right side
    12,699.16x = 63,614,187.56
  5. Step 5: Solve for x
    x = 63,614,187.56/12,699.16
  6. Step 6: Final answer
    x = 5,009.32

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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.