Home / 14,556.02-20,087.79-8,183.72

Finding the Fourth Proportional to 14,556.02, 20,087.79 and 8,183.72

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Solution

The fourth proportional to 14,556.02, 20,087.79 and 8,183.72 is: 11,293.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,556.02 : 20,087.79 = 8,183.72 : x
  2. Step 2: Convert to fraction form
    14,556.02/20,087.79 = 8,183.72/x
  3. Step 3: Cross multiply
    14,556.02x = 20,087.79 × 8,183.72
  4. Step 4: Simplify right side
    14,556.02x = 164,392,848.78
  5. Step 5: Solve for x
    x = 164,392,848.78/14,556.02
  6. Step 6: Final answer
    x = 11,293.80

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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.