Home / 18,080.14-27,016.57-13,782.10

Finding the Fourth Proportional to 18,080.14, 27,016.57 and 13,782.10

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Solution

The fourth proportional to 18,080.14, 27,016.57 and 13,782.10 is: 20,594.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,080.14 : 27,016.57 = 13,782.10 : x
  2. Step 2: Convert to fraction form
    18,080.14/27,016.57 = 13,782.10/x
  3. Step 3: Cross multiply
    18,080.14x = 27,016.57 × 13,782.10
  4. Step 4: Simplify right side
    18,080.14x = 372,345,069.40
  5. Step 5: Solve for x
    x = 372,345,069.40/18,080.14
  6. Step 6: Final answer
    x = 20,594.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.