Home / 19,391.85-26,760.04-11,850.80

Finding the Fourth Proportional to 19,391.85, 26,760.04 and 11,850.80

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Solution

The fourth proportional to 19,391.85, 26,760.04 and 11,850.80 is: 16,353.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,391.85 : 26,760.04 = 11,850.80 : x
  2. Step 2: Convert to fraction form
    19,391.85/26,760.04 = 11,850.80/x
  3. Step 3: Cross multiply
    19,391.85x = 26,760.04 × 11,850.80
  4. Step 4: Simplify right side
    19,391.85x = 317,127,882.03
  5. Step 5: Solve for x
    x = 317,127,882.03/19,391.85
  6. Step 6: Final answer
    x = 16,353.67

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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.