Home / 13,190.36-19,790.37-6,950.12

Finding the Fourth Proportional to 13,190.36, 19,790.37 and 6,950.12

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Solution

The fourth proportional to 13,190.36, 19,790.37 and 6,950.12 is: 10,427.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,190.36 : 19,790.37 = 6,950.12 : x
  2. Step 2: Convert to fraction form
    13,190.36/19,790.37 = 6,950.12/x
  3. Step 3: Cross multiply
    13,190.36x = 19,790.37 × 6,950.12
  4. Step 4: Simplify right side
    13,190.36x = 137,545,347.39
  5. Step 5: Solve for x
    x = 137,545,347.39/13,190.36
  6. Step 6: Final answer
    x = 10,427.72

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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.