Home / 18,114.31-27,179.29-9,800.19

Finding the Fourth Proportional to 18,114.31, 27,179.29 and 9,800.19

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Solution

The fourth proportional to 18,114.31, 27,179.29 and 9,800.19 is: 14,704.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,114.31 : 27,179.29 = 9,800.19 : x
  2. Step 2: Convert to fraction form
    18,114.31/27,179.29 = 9,800.19/x
  3. Step 3: Cross multiply
    18,114.31x = 27,179.29 × 9,800.19
  4. Step 4: Simplify right side
    18,114.31x = 266,362,021.17
  5. Step 5: Solve for x
    x = 266,362,021.17/18,114.31
  6. Step 6: Final answer
    x = 14,704.51

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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.