Home / 18,241.12-25,172.16-10,282.88

Finding the Fourth Proportional to 18,241.12, 25,172.16 and 10,282.88

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Solution

The fourth proportional to 18,241.12, 25,172.16 and 10,282.88 is: 14,190.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,241.12 : 25,172.16 = 10,282.88 : x
  2. Step 2: Convert to fraction form
    18,241.12/25,172.16 = 10,282.88/x
  3. Step 3: Cross multiply
    18,241.12x = 25,172.16 × 10,282.88
  4. Step 4: Simplify right side
    18,241.12x = 258,842,300.62
  5. Step 5: Solve for x
    x = 258,842,300.62/18,241.12
  6. Step 6: Final answer
    x = 14,190.04

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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.