Home / 18,018.52-27,041.64-11,776.84

Finding the Fourth Proportional to 18,018.52, 27,041.64 and 11,776.84

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Solution

The fourth proportional to 18,018.52, 27,041.64 and 11,776.84 is: 17,674.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,018.52 : 27,041.64 = 11,776.84 : x
  2. Step 2: Convert to fraction form
    18,018.52/27,041.64 = 11,776.84/x
  3. Step 3: Cross multiply
    18,018.52x = 27,041.64 × 11,776.84
  4. Step 4: Simplify right side
    18,018.52x = 318,465,067.62
  5. Step 5: Solve for x
    x = 318,465,067.62/18,018.52
  6. Step 6: Final answer
    x = 17,674.32

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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.