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Finding the Fourth Proportional to 8,033, 12,000.70 and 6,720.80

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Solution

The fourth proportional to 8,033, 12,000.70 and 6,720.80 is: 10,040.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,033 : 12,000.70 = 6,720.80 : x
  2. Step 2: Convert to fraction form
    8,033/12,000.70 = 6,720.80/x
  3. Step 3: Cross multiply
    8,033x = 12,000.70 × 6,720.80
  4. Step 4: Simplify right side
    8,033x = 80,654,304.56
  5. Step 5: Solve for x
    x = 80,654,304.56/8,033
  6. Step 6: Final answer
    x = 10,040.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.