Home / 15,447.78-23,171.81-3,760.97

Finding the Fourth Proportional to 15,447.78, 23,171.81 and 3,760.97

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Solution

The fourth proportional to 15,447.78, 23,171.81 and 3,760.97 is: 5,641.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,447.78 : 23,171.81 = 3,760.97 : x
  2. Step 2: Convert to fraction form
    15,447.78/23,171.81 = 3,760.97/x
  3. Step 3: Cross multiply
    15,447.78x = 23,171.81 × 3,760.97
  4. Step 4: Simplify right side
    15,447.78x = 87,148,347.59
  5. Step 5: Solve for x
    x = 87,148,347.59/15,447.78
  6. Step 6: Final answer
    x = 5,641.48

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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.