Home / 20,662.49-30,995.67-6,622.94

Finding the Fourth Proportional to 20,662.49, 30,995.67 and 6,622.94

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Solution

The fourth proportional to 20,662.49, 30,995.67 and 6,622.94 is: 9,935.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,662.49 : 30,995.67 = 6,622.94 : x
  2. Step 2: Convert to fraction form
    20,662.49/30,995.67 = 6,622.94/x
  3. Step 3: Cross multiply
    20,662.49x = 30,995.67 × 6,622.94
  4. Step 4: Simplify right side
    20,662.49x = 205,282,462.67
  5. Step 5: Solve for x
    x = 205,282,462.67/20,662.49
  6. Step 6: Final answer
    x = 9,935.03

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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.