Home / 15,991.21-23,986.82-4,304.13

Finding the Fourth Proportional to 15,991.21, 23,986.82 and 4,304.13

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Solution

The fourth proportional to 15,991.21, 23,986.82 and 4,304.13 is: 6,456.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,991.21 : 23,986.82 = 4,304.13 : x
  2. Step 2: Convert to fraction form
    15,991.21/23,986.82 = 4,304.13/x
  3. Step 3: Cross multiply
    15,991.21x = 23,986.82 × 4,304.13
  4. Step 4: Simplify right side
    15,991.21x = 103,242,391.57
  5. Step 5: Solve for x
    x = 103,242,391.57/15,991.21
  6. Step 6: Final answer
    x = 6,456.20

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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.