Home / 18,403.85-27,611.32-6,556.08

Finding the Fourth Proportional to 18,403.85, 27,611.32 and 6,556.08

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Solution

The fourth proportional to 18,403.85, 27,611.32 and 6,556.08 is: 9,836.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,403.85 : 27,611.32 = 6,556.08 : x
  2. Step 2: Convert to fraction form
    18,403.85/27,611.32 = 6,556.08/x
  3. Step 3: Cross multiply
    18,403.85x = 27,611.32 × 6,556.08
  4. Step 4: Simplify right side
    18,403.85x = 181,021,851.99
  5. Step 5: Solve for x
    x = 181,021,851.99/18,403.85
  6. Step 6: Final answer
    x = 9,836.09

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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.