Home / 10,228.89-15,343.36-3,209.46

Finding the Fourth Proportional to 10,228.89, 15,343.36 and 3,209.46

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Solution

The fourth proportional to 10,228.89, 15,343.36 and 3,209.46 is: 4,814.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,228.89 : 15,343.36 = 3,209.46 : x
  2. Step 2: Convert to fraction form
    10,228.89/15,343.36 = 3,209.46/x
  3. Step 3: Cross multiply
    10,228.89x = 15,343.36 × 3,209.46
  4. Step 4: Simplify right side
    10,228.89x = 49,243,884.14
  5. Step 5: Solve for x
    x = 49,243,884.14/10,228.89
  6. Step 6: Final answer
    x = 4,814.20

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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.