Home / 13,371.20-20,058.96-4,137.20

Finding the Fourth Proportional to 13,371.20, 20,058.96 and 4,137.20

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Solution

The fourth proportional to 13,371.20, 20,058.96 and 4,137.20 is: 6,206.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,371.20 : 20,058.96 = 4,137.20 : x
  2. Step 2: Convert to fraction form
    13,371.20/20,058.96 = 4,137.20/x
  3. Step 3: Cross multiply
    13,371.20x = 20,058.96 × 4,137.20
  4. Step 4: Simplify right side
    13,371.20x = 82,987,929.31
  5. Step 5: Solve for x
    x = 82,987,929.31/13,371.20
  6. Step 6: Final answer
    x = 6,206.47

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1.5x scale

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.