Home / 10,203.30-15,299.21-3,536.68

Finding the Fourth Proportional to 10,203.30, 15,299.21 and 3,536.68

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Solution

The fourth proportional to 10,203.30, 15,299.21 and 3,536.68 is: 5,303.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,203.30 : 15,299.21 = 3,536.68 : x
  2. Step 2: Convert to fraction form
    10,203.30/15,299.21 = 3,536.68/x
  3. Step 3: Cross multiply
    10,203.30x = 15,299.21 × 3,536.68
  4. Step 4: Simplify right side
    10,203.30x = 54,108,361.30
  5. Step 5: Solve for x
    x = 54,108,361.30/10,203.30
  6. Step 6: Final answer
    x = 5,303.02

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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.