Home / 13,189.80-19,767.27-6,169.26

Finding the Fourth Proportional to 13,189.80, 19,767.27 and 6,169.26

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Solution

The fourth proportional to 13,189.80, 19,767.27 and 6,169.26 is: 9,245.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,189.80 : 19,767.27 = 6,169.26 : x
  2. Step 2: Convert to fraction form
    13,189.80/19,767.27 = 6,169.26/x
  3. Step 3: Cross multiply
    13,189.80x = 19,767.27 × 6,169.26
  4. Step 4: Simplify right side
    13,189.80x = 121,949,428.12
  5. Step 5: Solve for x
    x = 121,949,428.12/13,189.80
  6. Step 6: Final answer
    x = 9,245.74

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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.