Home / 18,228.10-27,342.16-5,080.82

Finding the Fourth Proportional to 18,228.10, 27,342.16 and 5,080.82

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Solution

The fourth proportional to 18,228.10, 27,342.16 and 5,080.82 is: 7,621.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,228.10 : 27,342.16 = 5,080.82 : x
  2. Step 2: Convert to fraction form
    18,228.10/27,342.16 = 5,080.82/x
  3. Step 3: Cross multiply
    18,228.10x = 27,342.16 × 5,080.82
  4. Step 4: Simplify right side
    18,228.10x = 138,920,593.37
  5. Step 5: Solve for x
    x = 138,920,593.37/18,228.10
  6. Step 6: Final answer
    x = 7,621.23

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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.