Home / 13,979.26-20,969.47-4,492.54

Finding the Fourth Proportional to 13,979.26, 20,969.47 and 4,492.54

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Solution

The fourth proportional to 13,979.26, 20,969.47 and 4,492.54 is: 6,739.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,979.26 : 20,969.47 = 4,492.54 : x
  2. Step 2: Convert to fraction form
    13,979.26/20,969.47 = 4,492.54/x
  3. Step 3: Cross multiply
    13,979.26x = 20,969.47 × 4,492.54
  4. Step 4: Simplify right side
    13,979.26x = 94,206,182.75
  5. Step 5: Solve for x
    x = 94,206,182.75/13,979.26
  6. Step 6: Final answer
    x = 6,739.00

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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.