Home / 15,268.69-23,007.04-12,556.12

Finding the Fourth Proportional to 15,268.69, 23,007.04 and 12,556.12

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Solution

The fourth proportional to 15,268.69, 23,007.04 and 12,556.12 is: 18,919.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,268.69 : 23,007.04 = 12,556.12 : x
  2. Step 2: Convert to fraction form
    15,268.69/23,007.04 = 12,556.12/x
  3. Step 3: Cross multiply
    15,268.69x = 23,007.04 × 12,556.12
  4. Step 4: Simplify right side
    15,268.69x = 288,879,155.08
  5. Step 5: Solve for x
    x = 288,879,155.08/15,268.69
  6. Step 6: Final answer
    x = 18,919.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.