Home / 8,000.08-11,999.26-2,157.28

Finding the Fourth Proportional to 8,000.08, 11,999.26 and 2,157.28

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Solution

The fourth proportional to 8,000.08, 11,999.26 and 2,157.28 is: 3,235.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,000.08 : 11,999.26 = 2,157.28 : x
  2. Step 2: Convert to fraction form
    8,000.08/11,999.26 = 2,157.28/x
  3. Step 3: Cross multiply
    8,000.08x = 11,999.26 × 2,157.28
  4. Step 4: Simplify right side
    8,000.08x = 25,885,763.61
  5. Step 5: Solve for x
    x = 25,885,763.61/8,000.08
  6. Step 6: Final answer
    x = 3,235.69

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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.