Home / 19,265.81-28,878.94-9,255.54

Finding the Fourth Proportional to 19,265.81, 28,878.94 and 9,255.54

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Solution

The fourth proportional to 19,265.81, 28,878.94 and 9,255.54 is: 13,873.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,265.81 : 28,878.94 = 9,255.54 : x
  2. Step 2: Convert to fraction form
    19,265.81/28,878.94 = 9,255.54/x
  3. Step 3: Cross multiply
    19,265.81x = 28,878.94 × 9,255.54
  4. Step 4: Simplify right side
    19,265.81x = 267,290,184.33
  5. Step 5: Solve for x
    x = 267,290,184.33/19,265.81
  6. Step 6: Final answer
    x = 13,873.81

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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.