Home / 22,004.79-33,006.64-6,422.55

Finding the Fourth Proportional to 22,004.79, 33,006.64 and 6,422.55

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Solution

The fourth proportional to 22,004.79, 33,006.64 and 6,422.55 is: 9,633.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,004.79 : 33,006.64 = 6,422.55 : x
  2. Step 2: Convert to fraction form
    22,004.79/33,006.64 = 6,422.55/x
  3. Step 3: Cross multiply
    22,004.79x = 33,006.64 × 6,422.55
  4. Step 4: Simplify right side
    22,004.79x = 211,986,795.73
  5. Step 5: Solve for x
    x = 211,986,795.73/22,004.79
  6. Step 6: Final answer
    x = 9,633.67

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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.