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Finding the Fourth Proportional to 18,563.53, 27,825.78 and 6,080.32

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Solution

The fourth proportional to 18,563.53, 27,825.78 and 6,080.32 is: 9,114.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,563.53 : 27,825.78 = 6,080.32 : x
  2. Step 2: Convert to fraction form
    18,563.53/27,825.78 = 6,080.32/x
  3. Step 3: Cross multiply
    18,563.53x = 27,825.78 × 6,080.32
  4. Step 4: Simplify right side
    18,563.53x = 169,189,513.51
  5. Step 5: Solve for x
    x = 169,189,513.51/18,563.53
  6. Step 6: Final answer
    x = 9,114.08

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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.