Home / 13,040.25-19,563.09-4,274.47

Finding the Fourth Proportional to 13,040.25, 19,563.09 and 4,274.47

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Solution

The fourth proportional to 13,040.25, 19,563.09 and 4,274.47 is: 6,412.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,040.25 : 19,563.09 = 4,274.47 : x
  2. Step 2: Convert to fraction form
    13,040.25/19,563.09 = 4,274.47/x
  3. Step 3: Cross multiply
    13,040.25x = 19,563.09 × 4,274.47
  4. Step 4: Simplify right side
    13,040.25x = 83,621,841.31
  5. Step 5: Solve for x
    x = 83,621,841.31/13,040.25
  6. Step 6: Final answer
    x = 6,412.59

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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.