Home / 13,554.11-20,320.22-5,662.67

Finding the Fourth Proportional to 13,554.11, 20,320.22 and 5,662.67

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Solution

The fourth proportional to 13,554.11, 20,320.22 and 5,662.67 is: 8,489.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,554.11 : 20,320.22 = 5,662.67 : x
  2. Step 2: Convert to fraction form
    13,554.11/20,320.22 = 5,662.67/x
  3. Step 3: Cross multiply
    13,554.11x = 20,320.22 × 5,662.67
  4. Step 4: Simplify right side
    13,554.11x = 115,066,722.67
  5. Step 5: Solve for x
    x = 115,066,722.67/13,554.11
  6. Step 6: Final answer
    x = 8,489.43

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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.