Home / 13,029.46-19,530.42-4,262.02

Finding the Fourth Proportional to 13,029.46, 19,530.42 and 4,262.02

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Solution

The fourth proportional to 13,029.46, 19,530.42 and 4,262.02 is: 6,388.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,029.46 : 19,530.42 = 4,262.02 : x
  2. Step 2: Convert to fraction form
    13,029.46/19,530.42 = 4,262.02/x
  3. Step 3: Cross multiply
    13,029.46x = 19,530.42 × 4,262.02
  4. Step 4: Simplify right side
    13,029.46x = 83,239,040.65
  5. Step 5: Solve for x
    x = 83,239,040.65/13,029.46
  6. Step 6: Final answer
    x = 6,388.53

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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.