Home / 15,556.68-23,321.76-6,785.04

Finding the Fourth Proportional to 15,556.68, 23,321.76 and 6,785.04

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Solution

The fourth proportional to 15,556.68, 23,321.76 and 6,785.04 is: 10,171.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,556.68 : 23,321.76 = 6,785.04 : x
  2. Step 2: Convert to fraction form
    15,556.68/23,321.76 = 6,785.04/x
  3. Step 3: Cross multiply
    15,556.68x = 23,321.76 × 6,785.04
  4. Step 4: Simplify right side
    15,556.68x = 158,239,074.47
  5. Step 5: Solve for x
    x = 158,239,074.47/15,556.68
  6. Step 6: Final answer
    x = 10,171.78

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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.