Home / 18,825.29-28,241.54-8,969.21

Finding the Fourth Proportional to 18,825.29, 28,241.54 and 8,969.21

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Solution

The fourth proportional to 18,825.29, 28,241.54 and 8,969.21 is: 13,455.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,825.29 : 28,241.54 = 8,969.21 : x
  2. Step 2: Convert to fraction form
    18,825.29/28,241.54 = 8,969.21/x
  3. Step 3: Cross multiply
    18,825.29x = 28,241.54 × 8,969.21
  4. Step 4: Simplify right side
    18,825.29x = 253,304,116.93
  5. Step 5: Solve for x
    x = 253,304,116.93/18,825.29
  6. Step 6: Final answer
    x = 13,455.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.