Home / 13,949.26-19,241.47-8,280.17

Finding the Fourth Proportional to 13,949.26, 19,241.47 and 8,280.17

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Solution

The fourth proportional to 13,949.26, 19,241.47 and 8,280.17 is: 11,421.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,949.26 : 19,241.47 = 8,280.17 : x
  2. Step 2: Convert to fraction form
    13,949.26/19,241.47 = 8,280.17/x
  3. Step 3: Cross multiply
    13,949.26x = 19,241.47 × 8,280.17
  4. Step 4: Simplify right side
    13,949.26x = 159,322,525.74
  5. Step 5: Solve for x
    x = 159,322,525.74/13,949.26
  6. Step 6: Final answer
    x = 11,421.58

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Similar ratio
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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.