Home / 11,643.75-16,069.59-6,609.33

Finding the Fourth Proportional to 11,643.75, 16,069.59 and 6,609.33

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Solution

The fourth proportional to 11,643.75, 16,069.59 and 6,609.33 is: 9,121.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,643.75 : 16,069.59 = 6,609.33 : x
  2. Step 2: Convert to fraction form
    11,643.75/16,069.59 = 6,609.33/x
  3. Step 3: Cross multiply
    11,643.75x = 16,069.59 × 6,609.33
  4. Step 4: Simplify right side
    11,643.75x = 106,209,223.27
  5. Step 5: Solve for x
    x = 106,209,223.27/11,643.75
  6. Step 6: Final answer
    x = 9,121.57

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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.