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Finding the Fourth Proportional to 18,022, 24,881.34 and 12,366.04

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Solution

The fourth proportional to 18,022, 24,881.34 and 12,366.04 is: 17,072.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,022 : 24,881.34 = 12,366.04 : x
  2. Step 2: Convert to fraction form
    18,022/24,881.34 = 12,366.04/x
  3. Step 3: Cross multiply
    18,022x = 24,881.34 × 12,366.04
  4. Step 4: Simplify right side
    18,022x = 307,683,645.69
  5. Step 5: Solve for x
    x = 307,683,645.69/18,022
  6. Step 6: Final answer
    x = 17,072.67

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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.