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Finding the Fourth Proportional to 8,393.13, 11,576.21 and 8,020.89

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Solution

The fourth proportional to 8,393.13, 11,576.21 and 8,020.89 is: 11,062.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,393.13 : 11,576.21 = 8,020.89 : x
  2. Step 2: Convert to fraction form
    8,393.13/11,576.21 = 8,020.89/x
  3. Step 3: Cross multiply
    8,393.13x = 11,576.21 × 8,020.89
  4. Step 4: Simplify right side
    8,393.13x = 92,851,507.03
  5. Step 5: Solve for x
    x = 92,851,507.03/8,393.13
  6. Step 6: Final answer
    x = 11,062.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.