Home / 13,302.37-18,357.39-7,334.25

Finding the Fourth Proportional to 13,302.37, 18,357.39 and 7,334.25

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Solution

The fourth proportional to 13,302.37, 18,357.39 and 7,334.25 is: 10,121.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302.37 : 18,357.39 = 7,334.25 : x
  2. Step 2: Convert to fraction form
    13,302.37/18,357.39 = 7,334.25/x
  3. Step 3: Cross multiply
    13,302.37x = 18,357.39 × 7,334.25
  4. Step 4: Simplify right side
    13,302.37x = 134,637,650.94
  5. Step 5: Solve for x
    x = 134,637,650.94/13,302.37
  6. Step 6: Final answer
    x = 10,121.33

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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.