Home / 13,302.69-18,357.84-7,334.60

Finding the Fourth Proportional to 13,302.69, 18,357.84 and 7,334.60

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Solution

The fourth proportional to 13,302.69, 18,357.84 and 7,334.60 is: 10,121.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302.69 : 18,357.84 = 7,334.60 : x
  2. Step 2: Convert to fraction form
    13,302.69/18,357.84 = 7,334.60/x
  3. Step 3: Cross multiply
    13,302.69x = 18,357.84 × 7,334.60
  4. Step 4: Simplify right side
    13,302.69x = 134,647,321.47
  5. Step 5: Solve for x
    x = 134,647,321.47/13,302.69
  6. Step 6: Final answer
    x = 10,121.81

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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.