Home / 13,936.69-19,226.26-9,697.86

Finding the Fourth Proportional to 13,936.69, 19,226.26 and 9,697.86

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Solution

The fourth proportional to 13,936.69, 19,226.26 and 9,697.86 is: 13,378.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,936.69 : 19,226.26 = 9,697.86 : x
  2. Step 2: Convert to fraction form
    13,936.69/19,226.26 = 9,697.86/x
  3. Step 3: Cross multiply
    13,936.69x = 19,226.26 × 9,697.86
  4. Step 4: Simplify right side
    13,936.69x = 186,453,589.93
  5. Step 5: Solve for x
    x = 186,453,589.93/13,936.69
  6. Step 6: Final answer
    x = 13,378.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.