Home / 8,348.15-12,528.30-6,724.31

Finding the Fourth Proportional to 8,348.15, 12,528.30 and 6,724.31

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Solution

The fourth proportional to 8,348.15, 12,528.30 and 6,724.31 is: 10,091.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,348.15 : 12,528.30 = 6,724.31 : x
  2. Step 2: Convert to fraction form
    8,348.15/12,528.30 = 6,724.31/x
  3. Step 3: Cross multiply
    8,348.15x = 12,528.30 × 6,724.31
  4. Step 4: Simplify right side
    8,348.15x = 84,244,110.33
  5. Step 5: Solve for x
    x = 84,244,110.33/8,348.15
  6. Step 6: Final answer
    x = 10,091.36

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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.