Home / 13,949.04-19,241.64-8,356.80

Finding the Fourth Proportional to 13,949.04, 19,241.64 and 8,356.80

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Solution

The fourth proportional to 13,949.04, 19,241.64 and 8,356.80 is: 11,527.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,949.04 : 19,241.64 = 8,356.80 : x
  2. Step 2: Convert to fraction form
    13,949.04/19,241.64 = 8,356.80/x
  3. Step 3: Cross multiply
    13,949.04x = 19,241.64 × 8,356.80
  4. Step 4: Simplify right side
    13,949.04x = 160,798,537.15
  5. Step 5: Solve for x
    x = 160,798,537.15/13,949.04
  6. Step 6: Final answer
    x = 11,527.57

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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.