Home / 13,668.11-20,487.56-9,760.67

Finding the Fourth Proportional to 13,668.11, 20,487.56 and 9,760.67

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Solution

The fourth proportional to 13,668.11, 20,487.56 and 9,760.67 is: 14,630.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,668.11 : 20,487.56 = 9,760.67 : x
  2. Step 2: Convert to fraction form
    13,668.11/20,487.56 = 9,760.67/x
  3. Step 3: Cross multiply
    13,668.11x = 20,487.56 × 9,760.67
  4. Step 4: Simplify right side
    13,668.11x = 199,972,161.02
  5. Step 5: Solve for x
    x = 199,972,161.02/13,668.11
  6. Step 6: Final answer
    x = 14,630.57

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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.