Home / 12,546.72-18,829.28-10,111.04

Finding the Fourth Proportional to 12,546.72, 18,829.28 and 10,111.04

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Solution

The fourth proportional to 12,546.72, 18,829.28 and 10,111.04 is: 15,173.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,546.72 : 18,829.28 = 10,111.04 : x
  2. Step 2: Convert to fraction form
    12,546.72/18,829.28 = 10,111.04/x
  3. Step 3: Cross multiply
    12,546.72x = 18,829.28 × 10,111.04
  4. Step 4: Simplify right side
    12,546.72x = 190,383,603.25
  5. Step 5: Solve for x
    x = 190,383,603.25/12,546.72
  6. Step 6: Final answer
    x = 15,173.97

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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.