Home / 11,523.65-17,291.12-4,128.67

Finding the Fourth Proportional to 11,523.65, 17,291.12 and 4,128.67

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Solution

The fourth proportional to 11,523.65, 17,291.12 and 4,128.67 is: 6,195.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,523.65 : 17,291.12 = 4,128.67 : x
  2. Step 2: Convert to fraction form
    11,523.65/17,291.12 = 4,128.67/x
  3. Step 3: Cross multiply
    11,523.65x = 17,291.12 × 4,128.67
  4. Step 4: Simplify right side
    11,523.65x = 71,389,352.60
  5. Step 5: Solve for x
    x = 71,389,352.60/11,523.65
  6. Step 6: Final answer
    x = 6,195.03

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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.