Home / 15,094.82-20,829.24-8,380.28

Finding the Fourth Proportional to 15,094.82, 20,829.24 and 8,380.28

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Solution

The fourth proportional to 15,094.82, 20,829.24 and 8,380.28 is: 11,563.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,094.82 : 20,829.24 = 8,380.28 : x
  2. Step 2: Convert to fraction form
    15,094.82/20,829.24 = 8,380.28/x
  3. Step 3: Cross multiply
    15,094.82x = 20,829.24 × 8,380.28
  4. Step 4: Simplify right side
    15,094.82x = 174,554,759.24
  5. Step 5: Solve for x
    x = 174,554,759.24/15,094.82
  6. Step 6: Final answer
    x = 11,563.89

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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.