Home / 12,370.49-17,065.41-11,893.19

Finding the Fourth Proportional to 12,370.49, 17,065.41 and 11,893.19

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Solution

The fourth proportional to 12,370.49, 17,065.41 and 11,893.19 is: 16,406.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,370.49 : 17,065.41 = 11,893.19 : x
  2. Step 2: Convert to fraction form
    12,370.49/17,065.41 = 11,893.19/x
  3. Step 3: Cross multiply
    12,370.49x = 17,065.41 × 11,893.19
  4. Step 4: Simplify right side
    12,370.49x = 202,962,163.56
  5. Step 5: Solve for x
    x = 202,962,163.56/12,370.49
  6. Step 6: Final answer
    x = 16,406.96

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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.