Home / 22,227.21-30,669.03-13,271.45

Finding the Fourth Proportional to 22,227.21, 30,669.03 and 13,271.45

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Solution

The fourth proportional to 22,227.21, 30,669.03 and 13,271.45 is: 18,311.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,227.21 : 30,669.03 = 13,271.45 : x
  2. Step 2: Convert to fraction form
    22,227.21/30,669.03 = 13,271.45/x
  3. Step 3: Cross multiply
    22,227.21x = 30,669.03 × 13,271.45
  4. Step 4: Simplify right side
    22,227.21x = 407,022,344.85
  5. Step 5: Solve for x
    x = 407,022,344.85/22,227.21
  6. Step 6: Final answer
    x = 18,311.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.