Home / 20,624.03-30,896.18-12,310.67

Finding the Fourth Proportional to 20,624.03, 30,896.18 and 12,310.67

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Solution

The fourth proportional to 20,624.03, 30,896.18 and 12,310.67 is: 18,442.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,624.03 : 30,896.18 = 12,310.67 : x
  2. Step 2: Convert to fraction form
    20,624.03/30,896.18 = 12,310.67/x
  3. Step 3: Cross multiply
    20,624.03x = 30,896.18 × 12,310.67
  4. Step 4: Simplify right side
    20,624.03x = 380,352,676.24
  5. Step 5: Solve for x
    x = 380,352,676.24/20,624.03
  6. Step 6: Final answer
    x = 18,442.21

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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.