Home / 18,408.48-27,613.63-5,262.79

Finding the Fourth Proportional to 18,408.48, 27,613.63 and 5,262.79

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Solution

The fourth proportional to 18,408.48, 27,613.63 and 5,262.79 is: 7,894.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,408.48 : 27,613.63 = 5,262.79 : x
  2. Step 2: Convert to fraction form
    18,408.48/27,613.63 = 5,262.79/x
  3. Step 3: Cross multiply
    18,408.48x = 27,613.63 × 5,262.79
  4. Step 4: Simplify right side
    18,408.48x = 145,324,597.76
  5. Step 5: Solve for x
    x = 145,324,597.76/18,408.48
  6. Step 6: Final answer
    x = 7,894.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.