Home / 18,080.73-27,125.24-6,987.51

Finding the Fourth Proportional to 18,080.73, 27,125.24 and 6,987.51

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Solution

The fourth proportional to 18,080.73, 27,125.24 and 6,987.51 is: 10,482.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,080.73 : 27,125.24 = 6,987.51 : x
  2. Step 2: Convert to fraction form
    18,080.73/27,125.24 = 6,987.51/x
  3. Step 3: Cross multiply
    18,080.73x = 27,125.24 × 6,987.51
  4. Step 4: Simplify right side
    18,080.73x = 189,537,850.81
  5. Step 5: Solve for x
    x = 189,537,850.81/18,080.73
  6. Step 6: Final answer
    x = 10,482.86

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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.