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Finding the Fourth Proportional to 8,673.30, 12,996.33 and 6,703.75

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Solution

The fourth proportional to 8,673.30, 12,996.33 and 6,703.75 is: 10,045.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,673.30 : 12,996.33 = 6,703.75 : x
  2. Step 2: Convert to fraction form
    8,673.30/12,996.33 = 6,703.75/x
  3. Step 3: Cross multiply
    8,673.30x = 12,996.33 × 6,703.75
  4. Step 4: Simplify right side
    8,673.30x = 87,124,138.34
  5. Step 5: Solve for x
    x = 87,124,138.34/8,673.30
  6. Step 6: Final answer
    x = 10,045.09

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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.