Home / 16,001.20-23,998.80-12,899.32

Finding the Fourth Proportional to 16,001.20, 23,998.80 and 12,899.32

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Solution

The fourth proportional to 16,001.20, 23,998.80 and 12,899.32 is: 19,346.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,001.20 : 23,998.80 = 12,899.32 : x
  2. Step 2: Convert to fraction form
    16,001.20/23,998.80 = 12,899.32/x
  3. Step 3: Cross multiply
    16,001.20x = 23,998.80 × 12,899.32
  4. Step 4: Simplify right side
    16,001.20x = 309,568,200.82
  5. Step 5: Solve for x
    x = 309,568,200.82/16,001.20
  6. Step 6: Final answer
    x = 19,346.56

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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.