Home / 19,241.66-28,824.08-12,647.85

Finding the Fourth Proportional to 19,241.66, 28,824.08 and 12,647.85

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Solution

The fourth proportional to 19,241.66, 28,824.08 and 12,647.85 is: 18,946.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,241.66 : 28,824.08 = 12,647.85 : x
  2. Step 2: Convert to fraction form
    19,241.66/28,824.08 = 12,647.85/x
  3. Step 3: Cross multiply
    19,241.66x = 28,824.08 × 12,647.85
  4. Step 4: Simplify right side
    19,241.66x = 364,562,576.99
  5. Step 5: Solve for x
    x = 364,562,576.99/19,241.66
  6. Step 6: Final answer
    x = 18,946.53

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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.