Home / 10,228.45-15,342.84-3,208.29

Finding the Fourth Proportional to 10,228.45, 15,342.84 and 3,208.29

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Solution

The fourth proportional to 10,228.45, 15,342.84 and 3,208.29 is: 4,812.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,228.45 : 15,342.84 = 3,208.29 : x
  2. Step 2: Convert to fraction form
    10,228.45/15,342.84 = 3,208.29/x
  3. Step 3: Cross multiply
    10,228.45x = 15,342.84 × 3,208.29
  4. Step 4: Simplify right side
    10,228.45x = 49,224,280.14
  5. Step 5: Solve for x
    x = 49,224,280.14/10,228.45
  6. Step 6: Final answer
    x = 4,812.49

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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.