Home / 14,836.05-20,474.23-8,121.67

Finding the Fourth Proportional to 14,836.05, 20,474.23 and 8,121.67

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Solution

The fourth proportional to 14,836.05, 20,474.23 and 8,121.67 is: 11,208.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,836.05 : 20,474.23 = 8,121.67 : x
  2. Step 2: Convert to fraction form
    14,836.05/20,474.23 = 8,121.67/x
  3. Step 3: Cross multiply
    14,836.05x = 20,474.23 × 8,121.67
  4. Step 4: Simplify right side
    14,836.05x = 166,285,024.29
  5. Step 5: Solve for x
    x = 166,285,024.29/14,836.05
  6. Step 6: Final answer
    x = 11,208.17

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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.