Home / 13,194.09-19,794.09-4,428.78

Finding the Fourth Proportional to 13,194.09, 19,794.09 and 4,428.78

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Solution

The fourth proportional to 13,194.09, 19,794.09 and 4,428.78 is: 6,644.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,194.09 : 19,794.09 = 4,428.78 : x
  2. Step 2: Convert to fraction form
    13,194.09/19,794.09 = 4,428.78/x
  3. Step 3: Cross multiply
    13,194.09x = 19,794.09 × 4,428.78
  4. Step 4: Simplify right side
    13,194.09x = 87,663,669.91
  5. Step 5: Solve for x
    x = 87,663,669.91/13,194.09
  6. Step 6: Final answer
    x = 6,644.16

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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.