Home / 10,228.96-15,343.64-3,208.83

Finding the Fourth Proportional to 10,228.96, 15,343.64 and 3,208.83

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Solution

The fourth proportional to 10,228.96, 15,343.64 and 3,208.83 is: 4,813.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,228.96 : 15,343.64 = 3,208.83 : x
  2. Step 2: Convert to fraction form
    10,228.96/15,343.64 = 3,208.83/x
  3. Step 3: Cross multiply
    10,228.96x = 15,343.64 × 3,208.83
  4. Step 4: Simplify right side
    10,228.96x = 49,235,132.34
  5. Step 5: Solve for x
    x = 49,235,132.34/10,228.96
  6. Step 6: Final answer
    x = 4,813.31

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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.