Home / 13,651.20-20,481.74-4,767.84

Finding the Fourth Proportional to 13,651.20, 20,481.74 and 4,767.84

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Solution

The fourth proportional to 13,651.20, 20,481.74 and 4,767.84 is: 7,153.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,651.20 : 20,481.74 = 4,767.84 : x
  2. Step 2: Convert to fraction form
    13,651.20/20,481.74 = 4,767.84/x
  3. Step 3: Cross multiply
    13,651.20x = 20,481.74 × 4,767.84
  4. Step 4: Simplify right side
    13,651.20x = 97,653,712.21
  5. Step 5: Solve for x
    x = 97,653,712.21/13,651.20
  6. Step 6: Final answer
    x = 7,153.49

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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.