Home / 18,556.97-25,599.70-12,181.01

Finding the Fourth Proportional to 18,556.97, 25,599.70 and 12,181.01

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Solution

The fourth proportional to 18,556.97, 25,599.70 and 12,181.01 is: 16,803.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,556.97 : 25,599.70 = 12,181.01 : x
  2. Step 2: Convert to fraction form
    18,556.97/25,599.70 = 12,181.01/x
  3. Step 3: Cross multiply
    18,556.97x = 25,599.70 × 12,181.01
  4. Step 4: Simplify right side
    18,556.97x = 311,830,201.70
  5. Step 5: Solve for x
    x = 311,830,201.70/18,556.97
  6. Step 6: Final answer
    x = 16,803.94

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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.