Home / 12,653.27-18,991.43-6,735.13

Finding the Fourth Proportional to 12,653.27, 18,991.43 and 6,735.13

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Solution

The fourth proportional to 12,653.27, 18,991.43 and 6,735.13 is: 10,108.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,653.27 : 18,991.43 = 6,735.13 : x
  2. Step 2: Convert to fraction form
    12,653.27/18,991.43 = 6,735.13/x
  3. Step 3: Cross multiply
    12,653.27x = 18,991.43 × 6,735.13
  4. Step 4: Simplify right side
    12,653.27x = 127,909,747.45
  5. Step 5: Solve for x
    x = 127,909,747.45/12,653.27
  6. Step 6: Final answer
    x = 10,108.83

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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.