Home / 13,728.33-20,592.29-4,368.92

Finding the Fourth Proportional to 13,728.33, 20,592.29 and 4,368.92

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Solution

The fourth proportional to 13,728.33, 20,592.29 and 4,368.92 is: 6,553.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,728.33 : 20,592.29 = 4,368.92 : x
  2. Step 2: Convert to fraction form
    13,728.33/20,592.29 = 4,368.92/x
  3. Step 3: Cross multiply
    13,728.33x = 20,592.29 × 4,368.92
  4. Step 4: Simplify right side
    13,728.33x = 89,965,975.59
  5. Step 5: Solve for x
    x = 89,965,975.59/13,728.33
  6. Step 6: Final answer
    x = 6,553.31

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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.