Home / 13,183.83-19,775.95-5,287.04

Finding the Fourth Proportional to 13,183.83, 19,775.95 and 5,287.04

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Solution

The fourth proportional to 13,183.83, 19,775.95 and 5,287.04 is: 7,930.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,183.83 : 19,775.95 = 5,287.04 : x
  2. Step 2: Convert to fraction form
    13,183.83/19,775.95 = 5,287.04/x
  3. Step 3: Cross multiply
    13,183.83x = 19,775.95 × 5,287.04
  4. Step 4: Simplify right side
    13,183.83x = 104,556,200.75
  5. Step 5: Solve for x
    x = 104,556,200.75/13,183.83
  6. Step 6: Final answer
    x = 7,930.64

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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.