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Finding the Fourth Proportional to 16,128.40, 24,173.40 and 6,768.40

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Solution

The fourth proportional to 16,128.40, 24,173.40 and 6,768.40 is: 10,144.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,128.40 : 24,173.40 = 6,768.40 : x
  2. Step 2: Convert to fraction form
    16,128.40/24,173.40 = 6,768.40/x
  3. Step 3: Cross multiply
    16,128.40x = 24,173.40 × 6,768.40
  4. Step 4: Simplify right side
    16,128.40x = 163,615,240.56
  5. Step 5: Solve for x
    x = 163,615,240.56/16,128.40
  6. Step 6: Final answer
    x = 10,144.54

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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.