Home / 18,556.24-27,838.95-5,408.72

Finding the Fourth Proportional to 18,556.24, 27,838.95 and 5,408.72

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Solution

The fourth proportional to 18,556.24, 27,838.95 and 5,408.72 is: 8,114.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,556.24 : 27,838.95 = 5,408.72 : x
  2. Step 2: Convert to fraction form
    18,556.24/27,838.95 = 5,408.72/x
  3. Step 3: Cross multiply
    18,556.24x = 27,838.95 × 5,408.72
  4. Step 4: Simplify right side
    18,556.24x = 150,573,085.64
  5. Step 5: Solve for x
    x = 150,573,085.64/18,556.24
  6. Step 6: Final answer
    x = 8,114.42

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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.