Home / 19,226.26-28,839.21-8,699.86

Finding the Fourth Proportional to 19,226.26, 28,839.21 and 8,699.86

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Solution

The fourth proportional to 19,226.26, 28,839.21 and 8,699.86 is: 13,049.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,226.26 : 28,839.21 = 8,699.86 : x
  2. Step 2: Convert to fraction form
    19,226.26/28,839.21 = 8,699.86/x
  3. Step 3: Cross multiply
    19,226.26x = 28,839.21 × 8,699.86
  4. Step 4: Simplify right side
    19,226.26x = 250,897,089.51
  5. Step 5: Solve for x
    x = 250,897,089.51/19,226.26
  6. Step 6: Final answer
    x = 13,049.71

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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.