Home / 10,153.78-15,233.07-3,228.28

Finding the Fourth Proportional to 10,153.78, 15,233.07 and 3,228.28

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Solution

The fourth proportional to 10,153.78, 15,233.07 and 3,228.28 is: 4,843.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,153.78 : 15,233.07 = 3,228.28 : x
  2. Step 2: Convert to fraction form
    10,153.78/15,233.07 = 3,228.28/x
  3. Step 3: Cross multiply
    10,153.78x = 15,233.07 × 3,228.28
  4. Step 4: Simplify right side
    10,153.78x = 49,176,615.22
  5. Step 5: Solve for x
    x = 49,176,615.22/10,153.78
  6. Step 6: Final answer
    x = 4,843.18

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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.