Home / 9,212.43-13,813.77-4,284.39

Finding the Fourth Proportional to 9,212.43, 13,813.77 and 4,284.39

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Solution

The fourth proportional to 9,212.43, 13,813.77 and 4,284.39 is: 6,424.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212.43 : 13,813.77 = 4,284.39 : x
  2. Step 2: Convert to fraction form
    9,212.43/13,813.77 = 4,284.39/x
  3. Step 3: Cross multiply
    9,212.43x = 13,813.77 × 4,284.39
  4. Step 4: Simplify right side
    9,212.43x = 59,183,578.05
  5. Step 5: Solve for x
    x = 59,183,578.05/9,212.43
  6. Step 6: Final answer
    x = 6,424.32

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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.