Home / 8,002.13-12,001.73-2,157.37

Finding the Fourth Proportional to 8,002.13, 12,001.73 and 2,157.37

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Solution

The fourth proportional to 8,002.13, 12,001.73 and 2,157.37 is: 3,235.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,002.13 : 12,001.73 = 2,157.37 : x
  2. Step 2: Convert to fraction form
    8,002.13/12,001.73 = 2,157.37/x
  3. Step 3: Cross multiply
    8,002.13x = 12,001.73 × 2,157.37
  4. Step 4: Simplify right side
    8,002.13x = 25,892,112.24
  5. Step 5: Solve for x
    x = 25,892,112.24/8,002.13
  6. Step 6: Final answer
    x = 3,235.65

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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.