Home / 13,006.72-19,512.80-4,241.92

Finding the Fourth Proportional to 13,006.72, 19,512.80 and 4,241.92

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Solution

The fourth proportional to 13,006.72, 19,512.80 and 4,241.92 is: 6,363.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,006.72 : 19,512.80 = 4,241.92 : x
  2. Step 2: Convert to fraction form
    13,006.72/19,512.80 = 4,241.92/x
  3. Step 3: Cross multiply
    13,006.72x = 19,512.80 × 4,241.92
  4. Step 4: Simplify right side
    13,006.72x = 82,771,736.58
  5. Step 5: Solve for x
    x = 82,771,736.58/13,006.72
  6. Step 6: Final answer
    x = 6,363.77

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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.