Home / 20,166.07-30,226.68-15,219.67

Finding the Fourth Proportional to 20,166.07, 30,226.68 and 15,219.67

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Solution

The fourth proportional to 20,166.07, 30,226.68 and 15,219.67 is: 22,812.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,166.07 : 30,226.68 = 15,219.67 : x
  2. Step 2: Convert to fraction form
    20,166.07/30,226.68 = 15,219.67/x
  3. Step 3: Cross multiply
    20,166.07x = 30,226.68 × 15,219.67
  4. Step 4: Simplify right side
    20,166.07x = 460,040,094.80
  5. Step 5: Solve for x
    x = 460,040,094.80/20,166.07
  6. Step 6: Final answer
    x = 22,812.58

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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.