Home / 8,976.12-12,374.20-6,315.27

Finding the Fourth Proportional to 8,976.12, 12,374.20 and 6,315.27

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Solution

The fourth proportional to 8,976.12, 12,374.20 and 6,315.27 is: 8,706.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,976.12 : 12,374.20 = 6,315.27 : x
  2. Step 2: Convert to fraction form
    8,976.12/12,374.20 = 6,315.27/x
  3. Step 3: Cross multiply
    8,976.12x = 12,374.20 × 6,315.27
  4. Step 4: Simplify right side
    8,976.12x = 78,146,414.03
  5. Step 5: Solve for x
    x = 78,146,414.03/8,976.12
  6. Step 6: Final answer
    x = 8,706.03

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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.