Home / 14,130.45-21,198.42-5,371.53

Finding the Fourth Proportional to 14,130.45, 21,198.42 and 5,371.53

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Solution

The fourth proportional to 14,130.45, 21,198.42 and 5,371.53 is: 8,058.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,130.45 : 21,198.42 = 5,371.53 : x
  2. Step 2: Convert to fraction form
    14,130.45/21,198.42 = 5,371.53/x
  3. Step 3: Cross multiply
    14,130.45x = 21,198.42 × 5,371.53
  4. Step 4: Simplify right side
    14,130.45x = 113,867,948.98
  5. Step 5: Solve for x
    x = 113,867,948.98/14,130.45
  6. Step 6: Final answer
    x = 8,058.34

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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.