Home / 18,053.48-27,080.22-4,907.79

Finding the Fourth Proportional to 18,053.48, 27,080.22 and 4,907.79

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Solution

The fourth proportional to 18,053.48, 27,080.22 and 4,907.79 is: 7,361.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,053.48 : 27,080.22 = 4,907.79 : x
  2. Step 2: Convert to fraction form
    18,053.48/27,080.22 = 4,907.79/x
  3. Step 3: Cross multiply
    18,053.48x = 27,080.22 × 4,907.79
  4. Step 4: Simplify right side
    18,053.48x = 132,904,051.32
  5. Step 5: Solve for x
    x = 132,904,051.32/18,053.48
  6. Step 6: Final answer
    x = 7,361.69

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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.