Home / 13,997.15-19,317.43-10,454.21

Finding the Fourth Proportional to 13,997.15, 19,317.43 and 10,454.21

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Solution

The fourth proportional to 13,997.15, 19,317.43 and 10,454.21 is: 14,427.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,997.15 : 19,317.43 = 10,454.21 : x
  2. Step 2: Convert to fraction form
    13,997.15/19,317.43 = 10,454.21/x
  3. Step 3: Cross multiply
    13,997.15x = 19,317.43 × 10,454.21
  4. Step 4: Simplify right side
    13,997.15x = 201,948,469.88
  5. Step 5: Solve for x
    x = 201,948,469.88/13,997.15
  6. Step 6: Final answer
    x = 14,427.83

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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.