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Finding the Fourth Proportional to 18,328.37, 27,506.37 and 13,410.69

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Solution

The fourth proportional to 18,328.37, 27,506.37 and 13,410.69 is: 20,126.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,328.37 : 27,506.37 = 13,410.69 : x
  2. Step 2: Convert to fraction form
    18,328.37/27,506.37 = 13,410.69/x
  3. Step 3: Cross multiply
    18,328.37x = 27,506.37 × 13,410.69
  4. Step 4: Simplify right side
    18,328.37x = 368,879,469.86
  5. Step 5: Solve for x
    x = 368,879,469.86/18,328.37
  6. Step 6: Final answer
    x = 20,126.15

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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.