Home / 12,800.03-19,202.76-4,480.31

Finding the Fourth Proportional to 12,800.03, 19,202.76 and 4,480.31

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Solution

The fourth proportional to 12,800.03, 19,202.76 and 4,480.31 is: 6,721.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,800.03 : 19,202.76 = 4,480.31 : x
  2. Step 2: Convert to fraction form
    12,800.03/19,202.76 = 4,480.31/x
  3. Step 3: Cross multiply
    12,800.03x = 19,202.76 × 4,480.31
  4. Step 4: Simplify right side
    12,800.03x = 86,034,365.66
  5. Step 5: Solve for x
    x = 86,034,365.66/12,800.03
  6. Step 6: Final answer
    x = 6,721.42

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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.