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Finding the Fourth Proportional to 8,133.42, 12,203.80 and 8,002.38

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Solution

The fourth proportional to 8,133.42, 12,203.80 and 8,002.38 is: 12,007.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,133.42 : 12,203.80 = 8,002.38 : x
  2. Step 2: Convert to fraction form
    8,133.42/12,203.80 = 8,002.38/x
  3. Step 3: Cross multiply
    8,133.42x = 12,203.80 × 8,002.38
  4. Step 4: Simplify right side
    8,133.42x = 97,659,445.04
  5. Step 5: Solve for x
    x = 97,659,445.04/8,133.42
  6. Step 6: Final answer
    x = 12,007.18

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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.