Home / 13,635.48-20,453.66-3,774.84

Finding the Fourth Proportional to 13,635.48, 20,453.66 and 3,774.84

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Solution

The fourth proportional to 13,635.48, 20,453.66 and 3,774.84 is: 5,662.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,635.48 : 20,453.66 = 3,774.84 : x
  2. Step 2: Convert to fraction form
    13,635.48/20,453.66 = 3,774.84/x
  3. Step 3: Cross multiply
    13,635.48x = 20,453.66 × 3,774.84
  4. Step 4: Simplify right side
    13,635.48x = 77,209,293.91
  5. Step 5: Solve for x
    x = 77,209,293.91/13,635.48
  6. Step 6: Final answer
    x = 5,662.38

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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.