Home / 10,228.87-15,343.32-3,209.42

Finding the Fourth Proportional to 10,228.87, 15,343.32 and 3,209.42

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Solution

The fourth proportional to 10,228.87, 15,343.32 and 3,209.42 is: 4,814.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,228.87 : 15,343.32 = 3,209.42 : x
  2. Step 2: Convert to fraction form
    10,228.87/15,343.32 = 3,209.42/x
  3. Step 3: Cross multiply
    10,228.87x = 15,343.32 × 3,209.42
  4. Step 4: Simplify right side
    10,228.87x = 49,243,173.24
  5. Step 5: Solve for x
    x = 49,243,173.24/10,228.87
  6. Step 6: Final answer
    x = 4,814.14

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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.