Home / 19,615.73-27,069.04-11,230.61

Finding the Fourth Proportional to 19,615.73, 27,069.04 and 11,230.61

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Solution

The fourth proportional to 19,615.73, 27,069.04 and 11,230.61 is: 15,497.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,615.73 : 27,069.04 = 11,230.61 : x
  2. Step 2: Convert to fraction form
    19,615.73/27,069.04 = 11,230.61/x
  3. Step 3: Cross multiply
    19,615.73x = 27,069.04 × 11,230.61
  4. Step 4: Simplify right side
    19,615.73x = 304,001,831.31
  5. Step 5: Solve for x
    x = 304,001,831.31/19,615.73
  6. Step 6: Final answer
    x = 15,497.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.