Home / 12,723.30-19,065.60-6,141.60

Finding the Fourth Proportional to 12,723.30, 19,065.60 and 6,141.60

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Solution

The fourth proportional to 12,723.30, 19,065.60 and 6,141.60 is: 9,203.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,723.30 : 19,065.60 = 6,141.60 : x
  2. Step 2: Convert to fraction form
    12,723.30/19,065.60 = 6,141.60/x
  3. Step 3: Cross multiply
    12,723.30x = 19,065.60 × 6,141.60
  4. Step 4: Simplify right side
    12,723.30x = 117,093,288.96
  5. Step 5: Solve for x
    x = 117,093,288.96/12,723.30
  6. Step 6: Final answer
    x = 9,203.06

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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.