Home / 19,863.51-29,794.55-5,072.30

Finding the Fourth Proportional to 19,863.51, 29,794.55 and 5,072.30

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Solution

The fourth proportional to 19,863.51, 29,794.55 and 5,072.30 is: 7,608.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,863.51 : 29,794.55 = 5,072.30 : x
  2. Step 2: Convert to fraction form
    19,863.51/29,794.55 = 5,072.30/x
  3. Step 3: Cross multiply
    19,863.51x = 29,794.55 × 5,072.30
  4. Step 4: Simplify right side
    19,863.51x = 151,126,895.97
  5. Step 5: Solve for x
    x = 151,126,895.97/19,863.51
  6. Step 6: Final answer
    x = 7,608.27

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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.