Home / 12,741.30-19,107.36-4,422.06

Finding the Fourth Proportional to 12,741.30, 19,107.36 and 4,422.06

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Solution

The fourth proportional to 12,741.30, 19,107.36 and 4,422.06 is: 6,631.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,741.30 : 19,107.36 = 4,422.06 : x
  2. Step 2: Convert to fraction form
    12,741.30/19,107.36 = 4,422.06/x
  3. Step 3: Cross multiply
    12,741.30x = 19,107.36 × 4,422.06
  4. Step 4: Simplify right side
    12,741.30x = 84,493,892.36
  5. Step 5: Solve for x
    x = 84,493,892.36/12,741.30
  6. Step 6: Final answer
    x = 6,631.50

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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.