Home / 13,241.48-19,859.88-4,919.54

Finding the Fourth Proportional to 13,241.48, 19,859.88 and 4,919.54

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Solution

The fourth proportional to 13,241.48, 19,859.88 and 4,919.54 is: 7,378.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,241.48 : 19,859.88 = 4,919.54 : x
  2. Step 2: Convert to fraction form
    13,241.48/19,859.88 = 4,919.54/x
  3. Step 3: Cross multiply
    13,241.48x = 19,859.88 × 4,919.54
  4. Step 4: Simplify right side
    13,241.48x = 97,701,474.06
  5. Step 5: Solve for x
    x = 97,701,474.06/13,241.48
  6. Step 6: Final answer
    x = 7,378.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.