Home / 12,057.54-18,070.44-6,512.28

Finding the Fourth Proportional to 12,057.54, 18,070.44 and 6,512.28

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Solution

The fourth proportional to 12,057.54, 18,070.44 and 6,512.28 is: 9,759.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,057.54 : 18,070.44 = 6,512.28 : x
  2. Step 2: Convert to fraction form
    12,057.54/18,070.44 = 6,512.28/x
  3. Step 3: Cross multiply
    12,057.54x = 18,070.44 × 6,512.28
  4. Step 4: Simplify right side
    12,057.54x = 117,679,765.00
  5. Step 5: Solve for x
    x = 117,679,765.00/12,057.54
  6. Step 6: Final answer
    x = 9,759.85

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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.