Home / 14,998.89-20,698.68-8,711.26

Finding the Fourth Proportional to 14,998.89, 20,698.68 and 8,711.26

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Solution

The fourth proportional to 14,998.89, 20,698.68 and 8,711.26 is: 12,021.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,998.89 : 20,698.68 = 8,711.26 : x
  2. Step 2: Convert to fraction form
    14,998.89/20,698.68 = 8,711.26/x
  3. Step 3: Cross multiply
    14,998.89x = 20,698.68 × 8,711.26
  4. Step 4: Simplify right side
    14,998.89x = 180,311,583.14
  5. Step 5: Solve for x
    x = 180,311,583.14/14,998.89
  6. Step 6: Final answer
    x = 12,021.67

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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.