Home / 19,239.40-28,850.46-7,546.60

Finding the Fourth Proportional to 19,239.40, 28,850.46 and 7,546.60

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Solution

The fourth proportional to 19,239.40, 28,850.46 and 7,546.60 is: 11,316.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,239.40 : 28,850.46 = 7,546.60 : x
  2. Step 2: Convert to fraction form
    19,239.40/28,850.46 = 7,546.60/x
  3. Step 3: Cross multiply
    19,239.40x = 28,850.46 × 7,546.60
  4. Step 4: Simplify right side
    19,239.40x = 217,722,881.44
  5. Step 5: Solve for x
    x = 217,722,881.44/19,239.40
  6. Step 6: Final answer
    x = 11,316.51

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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.