Home / 19,241.28-28,821.42-12,217.77

Finding the Fourth Proportional to 19,241.28, 28,821.42 and 12,217.77

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Solution

The fourth proportional to 19,241.28, 28,821.42 and 12,217.77 is: 18,300.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,241.28 : 28,821.42 = 12,217.77 : x
  2. Step 2: Convert to fraction form
    19,241.28/28,821.42 = 12,217.77/x
  3. Step 3: Cross multiply
    19,241.28x = 28,821.42 × 12,217.77
  4. Step 4: Simplify right side
    19,241.28x = 352,133,480.63
  5. Step 5: Solve for x
    x = 352,133,480.63/19,241.28
  6. Step 6: Final answer
    x = 18,300.94

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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.