Home / 20,206.53-30,311.37-6,166.67

Finding the Fourth Proportional to 20,206.53, 30,311.37 and 6,166.67

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Solution

The fourth proportional to 20,206.53, 30,311.37 and 6,166.67 is: 9,250.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,206.53 : 30,311.37 = 6,166.67 : x
  2. Step 2: Convert to fraction form
    20,206.53/30,311.37 = 6,166.67/x
  3. Step 3: Cross multiply
    20,206.53x = 30,311.37 × 6,166.67
  4. Step 4: Simplify right side
    20,206.53x = 186,920,216.04
  5. Step 5: Solve for x
    x = 186,920,216.04/20,206.53
  6. Step 6: Final answer
    x = 9,250.49

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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.