Home / 19,241.43-28,865.16-8,148.21

Finding the Fourth Proportional to 19,241.43, 28,865.16 and 8,148.21

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Solution

The fourth proportional to 19,241.43, 28,865.16 and 8,148.21 is: 12,223.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,241.43 : 28,865.16 = 8,148.21 : x
  2. Step 2: Convert to fraction form
    19,241.43/28,865.16 = 8,148.21/x
  3. Step 3: Cross multiply
    19,241.43x = 28,865.16 × 8,148.21
  4. Step 4: Simplify right side
    19,241.43x = 235,199,385.36
  5. Step 5: Solve for x
    x = 235,199,385.36/19,241.43
  6. Step 6: Final answer
    x = 12,223.59

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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.