Home / 11,464.06-15,813.68-7,208.37

Finding the Fourth Proportional to 11,464.06, 15,813.68 and 7,208.37

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Solution

The fourth proportional to 11,464.06, 15,813.68 and 7,208.37 is: 9,943.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,464.06 : 15,813.68 = 7,208.37 : x
  2. Step 2: Convert to fraction form
    11,464.06/15,813.68 = 7,208.37/x
  3. Step 3: Cross multiply
    11,464.06x = 15,813.68 × 7,208.37
  4. Step 4: Simplify right side
    11,464.06x = 113,990,878.01
  5. Step 5: Solve for x
    x = 113,990,878.01/11,464.06
  6. Step 6: Final answer
    x = 9,943.33

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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.