Home / 19,280.26-26,609.61-12,207.34

Finding the Fourth Proportional to 19,280.26, 26,609.61 and 12,207.34

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Solution

The fourth proportional to 19,280.26, 26,609.61 and 12,207.34 is: 16,847.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,280.26 : 26,609.61 = 12,207.34 : x
  2. Step 2: Convert to fraction form
    19,280.26/26,609.61 = 12,207.34/x
  3. Step 3: Cross multiply
    19,280.26x = 26,609.61 × 12,207.34
  4. Step 4: Simplify right side
    19,280.26x = 324,832,556.54
  5. Step 5: Solve for x
    x = 324,832,556.54/19,280.26
  6. Step 6: Final answer
    x = 16,847.93

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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.