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Finding the Fourth Proportional to 8,674.85, 13,015.29 and 6,305.15

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Solution

The fourth proportional to 8,674.85, 13,015.29 and 6,305.15 is: 9,459.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,674.85 : 13,015.29 = 6,305.15 : x
  2. Step 2: Convert to fraction form
    8,674.85/13,015.29 = 6,305.15/x
  3. Step 3: Cross multiply
    8,674.85x = 13,015.29 × 6,305.15
  4. Step 4: Simplify right side
    8,674.85x = 82,063,355.74
  5. Step 5: Solve for x
    x = 82,063,355.74/8,674.85
  6. Step 6: Final answer
    x = 9,459.92

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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.