Home / 13,979.63-20,941.76-9,052.73

Finding the Fourth Proportional to 13,979.63, 20,941.76 and 9,052.73

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Solution

The fourth proportional to 13,979.63, 20,941.76 and 9,052.73 is: 13,561.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,979.63 : 20,941.76 = 9,052.73 : x
  2. Step 2: Convert to fraction form
    13,979.63/20,941.76 = 9,052.73/x
  3. Step 3: Cross multiply
    13,979.63x = 20,941.76 × 9,052.73
  4. Step 4: Simplify right side
    13,979.63x = 189,579,949.03
  5. Step 5: Solve for x
    x = 189,579,949.03/13,979.63
  6. Step 6: Final answer
    x = 13,561.16

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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.