Home / 13,194.37-18,208.26-7,144.68

Finding the Fourth Proportional to 13,194.37, 18,208.26 and 7,144.68

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Solution

The fourth proportional to 13,194.37, 18,208.26 and 7,144.68 is: 9,859.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,194.37 : 18,208.26 = 7,144.68 : x
  2. Step 2: Convert to fraction form
    13,194.37/18,208.26 = 7,144.68/x
  3. Step 3: Cross multiply
    13,194.37x = 18,208.26 × 7,144.68
  4. Step 4: Simplify right side
    13,194.37x = 130,092,156.92
  5. Step 5: Solve for x
    x = 130,092,156.92/13,194.37
  6. Step 6: Final answer
    x = 9,859.67

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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.