Home / 13,961.94-19,277.67-9,705.90

Finding the Fourth Proportional to 13,961.94, 19,277.67 and 9,705.90

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Solution

The fourth proportional to 13,961.94, 19,277.67 and 9,705.90 is: 13,401.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,961.94 : 19,277.67 = 9,705.90 : x
  2. Step 2: Convert to fraction form
    13,961.94/19,277.67 = 9,705.90/x
  3. Step 3: Cross multiply
    13,961.94x = 19,277.67 × 9,705.90
  4. Step 4: Simplify right side
    13,961.94x = 187,107,137.25
  5. Step 5: Solve for x
    x = 187,107,137.25/13,961.94
  6. Step 6: Final answer
    x = 13,401.23

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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.