Home / 10,203.01-15,305.36-2,808.07

Finding the Fourth Proportional to 10,203.01, 15,305.36 and 2,808.07

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Solution

The fourth proportional to 10,203.01, 15,305.36 and 2,808.07 is: 4,212.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,203.01 : 15,305.36 = 2,808.07 : x
  2. Step 2: Convert to fraction form
    10,203.01/15,305.36 = 2,808.07/x
  3. Step 3: Cross multiply
    10,203.01x = 15,305.36 × 2,808.07
  4. Step 4: Simplify right side
    10,203.01x = 42,978,469.95
  5. Step 5: Solve for x
    x = 42,978,469.95/10,203.01
  6. Step 6: Final answer
    x = 4,212.33

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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.