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Finding the Fourth Proportional to 19,096.04, 28,644.54 and 5,245

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Solution

The fourth proportional to 19,096.04, 28,644.54 and 5,245 is: 7,867.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,096.04 : 28,644.54 = 5,245 : x
  2. Step 2: Convert to fraction form
    19,096.04/28,644.54 = 5,245/x
  3. Step 3: Cross multiply
    19,096.04x = 28,644.54 × 5,245
  4. Step 4: Simplify right side
    19,096.04x = 150,240,612.30
  5. Step 5: Solve for x
    x = 150,240,612.30/19,096.04
  6. Step 6: Final answer
    x = 7,867.63

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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.