Home / 13,763.62-20,648.51-4,404.20

Finding the Fourth Proportional to 13,763.62, 20,648.51 and 4,404.20

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Solution

The fourth proportional to 13,763.62, 20,648.51 and 4,404.20 is: 6,607.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,763.62 : 20,648.51 = 4,404.20 : x
  2. Step 2: Convert to fraction form
    13,763.62/20,648.51 = 4,404.20/x
  3. Step 3: Cross multiply
    13,763.62x = 20,648.51 × 4,404.20
  4. Step 4: Simplify right side
    13,763.62x = 90,940,202.99
  5. Step 5: Solve for x
    x = 90,940,202.99/13,763.62
  6. Step 6: Final answer
    x = 6,607.29

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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.