Home / 9,069.69-13,601.66-2,912.25

Finding the Fourth Proportional to 9,069.69, 13,601.66 and 2,912.25

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Solution

The fourth proportional to 9,069.69, 13,601.66 and 2,912.25 is: 4,367.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,069.69 : 13,601.66 = 2,912.25 : x
  2. Step 2: Convert to fraction form
    9,069.69/13,601.66 = 2,912.25/x
  3. Step 3: Cross multiply
    9,069.69x = 13,601.66 × 2,912.25
  4. Step 4: Simplify right side
    9,069.69x = 39,611,419.77
  5. Step 5: Solve for x
    x = 39,611,419.77/9,069.69
  6. Step 6: Final answer
    x = 4,367.45

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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.