Home / 13,019.60-19,523.64-3,786.32

Finding the Fourth Proportional to 13,019.60, 19,523.64 and 3,786.32

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Solution

The fourth proportional to 13,019.60, 19,523.64 and 3,786.32 is: 5,677.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,019.60 : 19,523.64 = 3,786.32 : x
  2. Step 2: Convert to fraction form
    13,019.60/19,523.64 = 3,786.32/x
  3. Step 3: Cross multiply
    13,019.60x = 19,523.64 × 3,786.32
  4. Step 4: Simplify right side
    13,019.60x = 73,922,748.60
  5. Step 5: Solve for x
    x = 73,922,748.60/13,019.60
  6. Step 6: Final answer
    x = 5,677.80

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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.