Home / 20,094.65-30,139.83-8,249.67

Finding the Fourth Proportional to 20,094.65, 30,139.83 and 8,249.67

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Solution

The fourth proportional to 20,094.65, 30,139.83 and 8,249.67 is: 12,373.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,094.65 : 30,139.83 = 8,249.67 : x
  2. Step 2: Convert to fraction form
    20,094.65/30,139.83 = 8,249.67/x
  3. Step 3: Cross multiply
    20,094.65x = 30,139.83 × 8,249.67
  4. Step 4: Simplify right side
    20,094.65x = 248,643,651.36
  5. Step 5: Solve for x
    x = 248,643,651.36/20,094.65
  6. Step 6: Final answer
    x = 12,373.63

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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.