Home / 22,015.04-30,380.75-12,583.80

Finding the Fourth Proportional to 22,015.04, 30,380.75 and 12,583.80

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Solution

The fourth proportional to 22,015.04, 30,380.75 and 12,583.80 is: 17,365.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,015.04 : 30,380.75 = 12,583.80 : x
  2. Step 2: Convert to fraction form
    22,015.04/30,380.75 = 12,583.80/x
  3. Step 3: Cross multiply
    22,015.04x = 30,380.75 × 12,583.80
  4. Step 4: Simplify right side
    22,015.04x = 382,305,218.93
  5. Step 5: Solve for x
    x = 382,305,218.93/22,015.04
  6. Step 6: Final answer
    x = 17,365.64

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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.