Home / 21,223.04-29,287.72-11,792.48

Finding the Fourth Proportional to 21,223.04, 29,287.72 and 11,792.48

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Solution

The fourth proportional to 21,223.04, 29,287.72 and 11,792.48 is: 16,273.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,223.04 : 29,287.72 = 11,792.48 : x
  2. Step 2: Convert to fraction form
    21,223.04/29,287.72 = 11,792.48/x
  3. Step 3: Cross multiply
    21,223.04x = 29,287.72 × 11,792.48
  4. Step 4: Simplify right side
    21,223.04x = 345,374,852.35
  5. Step 5: Solve for x
    x = 345,374,852.35/21,223.04
  6. Step 6: Final answer
    x = 16,273.58

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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.