Home / 10,203.30-15,301.35-3,629.70

Finding the Fourth Proportional to 10,203.30, 15,301.35 and 3,629.70

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Solution

The fourth proportional to 10,203.30, 15,301.35 and 3,629.70 is: 5,443.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,203.30 : 15,301.35 = 3,629.70 : x
  2. Step 2: Convert to fraction form
    10,203.30/15,301.35 = 3,629.70/x
  3. Step 3: Cross multiply
    10,203.30x = 15,301.35 × 3,629.70
  4. Step 4: Simplify right side
    10,203.30x = 55,539,310.10
  5. Step 5: Solve for x
    x = 55,539,310.10/10,203.30
  6. Step 6: Final answer
    x = 5,443.27

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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.