Home / 13,568.43-20,317.59-9,364.65

Finding the Fourth Proportional to 13,568.43, 20,317.59 and 9,364.65

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Solution

The fourth proportional to 13,568.43, 20,317.59 and 9,364.65 is: 14,022.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,568.43 : 20,317.59 = 9,364.65 : x
  2. Step 2: Convert to fraction form
    13,568.43/20,317.59 = 9,364.65/x
  3. Step 3: Cross multiply
    13,568.43x = 20,317.59 × 9,364.65
  4. Step 4: Simplify right side
    13,568.43x = 190,267,129.02
  5. Step 5: Solve for x
    x = 190,267,129.02/13,568.43
  6. Step 6: Final answer
    x = 14,022.79

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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.