Home / 13,306.49-19,967.48-7,388.33

Finding the Fourth Proportional to 13,306.49, 19,967.48 and 7,388.33

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Solution

The fourth proportional to 13,306.49, 19,967.48 and 7,388.33 is: 11,086.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306.49 : 19,967.48 = 7,388.33 : x
  2. Step 2: Convert to fraction form
    13,306.49/19,967.48 = 7,388.33/x
  3. Step 3: Cross multiply
    13,306.49x = 19,967.48 × 7,388.33
  4. Step 4: Simplify right side
    13,306.49x = 147,526,194.73
  5. Step 5: Solve for x
    x = 147,526,194.73/13,306.49
  6. Step 6: Final answer
    x = 11,086.79

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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.