Home / 13,404.36-20,103.81-4,518.66

Finding the Fourth Proportional to 13,404.36, 20,103.81 and 4,518.66

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Solution

The fourth proportional to 13,404.36, 20,103.81 and 4,518.66 is: 6,777.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,404.36 : 20,103.81 = 4,518.66 : x
  2. Step 2: Convert to fraction form
    13,404.36/20,103.81 = 4,518.66/x
  3. Step 3: Cross multiply
    13,404.36x = 20,103.81 × 4,518.66
  4. Step 4: Simplify right side
    13,404.36x = 90,842,282.09
  5. Step 5: Solve for x
    x = 90,842,282.09/13,404.36
  6. Step 6: Final answer
    x = 6,777.07

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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.