Home / 13,186.13-18,199.01-7,600.37

Finding the Fourth Proportional to 13,186.13, 18,199.01 and 7,600.37

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Solution

The fourth proportional to 13,186.13, 18,199.01 and 7,600.37 is: 10,489.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,186.13 : 18,199.01 = 7,600.37 : x
  2. Step 2: Convert to fraction form
    13,186.13/18,199.01 = 7,600.37/x
  3. Step 3: Cross multiply
    13,186.13x = 18,199.01 × 7,600.37
  4. Step 4: Simplify right side
    13,186.13x = 138,319,137.64
  5. Step 5: Solve for x
    x = 138,319,137.64/13,186.13
  6. Step 6: Final answer
    x = 10,489.75

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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.