Home / 13,203.74-19,791.68-4,878.42

Finding the Fourth Proportional to 13,203.74, 19,791.68 and 4,878.42

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Solution

The fourth proportional to 13,203.74, 19,791.68 and 4,878.42 is: 7,312.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,203.74 : 19,791.68 = 4,878.42 : x
  2. Step 2: Convert to fraction form
    13,203.74/19,791.68 = 4,878.42/x
  3. Step 3: Cross multiply
    13,203.74x = 19,791.68 × 4,878.42
  4. Step 4: Simplify right side
    13,203.74x = 96,552,103.15
  5. Step 5: Solve for x
    x = 96,552,103.15/13,203.74
  6. Step 6: Final answer
    x = 7,312.48

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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.