Home / 13,190.36-19,785.26-3,830.00

Finding the Fourth Proportional to 13,190.36, 19,785.26 and 3,830.00

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Solution

The fourth proportional to 13,190.36, 19,785.26 and 3,830.00 is: 5,744.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,190.36 : 19,785.26 = 3,830.00 : x
  2. Step 2: Convert to fraction form
    13,190.36/19,785.26 = 3,830.00/x
  3. Step 3: Cross multiply
    13,190.36x = 19,785.26 × 3,830.00
  4. Step 4: Simplify right side
    13,190.36x = 75,777,427.72
  5. Step 5: Solve for x
    x = 75,777,427.72/13,190.36
  6. Step 6: Final answer
    x = 5,744.91

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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.