Home / 13,189.93-18,203.84-7,523.38

Finding the Fourth Proportional to 13,189.93, 18,203.84 and 7,523.38

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Solution

The fourth proportional to 13,189.93, 18,203.84 and 7,523.38 is: 10,383.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,189.93 : 18,203.84 = 7,523.38 : x
  2. Step 2: Convert to fraction form
    13,189.93/18,203.84 = 7,523.38/x
  3. Step 3: Cross multiply
    13,189.93x = 18,203.84 × 7,523.38
  4. Step 4: Simplify right side
    13,189.93x = 136,954,350.87
  5. Step 5: Solve for x
    x = 136,954,350.87/13,189.93
  6. Step 6: Final answer
    x = 10,383.25

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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.