Home / 18,220.80-25,144.84-10,262.28

Finding the Fourth Proportional to 18,220.80, 25,144.84 and 10,262.28

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Solution

The fourth proportional to 18,220.80, 25,144.84 and 10,262.28 is: 14,162.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,220.80 : 25,144.84 = 10,262.28 : x
  2. Step 2: Convert to fraction form
    18,220.80/25,144.84 = 10,262.28/x
  3. Step 3: Cross multiply
    18,220.80x = 25,144.84 × 10,262.28
  4. Step 4: Simplify right side
    18,220.80x = 258,043,388.64
  5. Step 5: Solve for x
    x = 258,043,388.64/18,220.80
  6. Step 6: Final answer
    x = 14,162.02

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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.