Home / 18,119.30-27,169.59-5,635.94

Finding the Fourth Proportional to 18,119.30, 27,169.59 and 5,635.94

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Solution

The fourth proportional to 18,119.30, 27,169.59 and 5,635.94 is: 8,451.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,119.30 : 27,169.59 = 5,635.94 : x
  2. Step 2: Convert to fraction form
    18,119.30/27,169.59 = 5,635.94/x
  3. Step 3: Cross multiply
    18,119.30x = 27,169.59 × 5,635.94
  4. Step 4: Simplify right side
    18,119.30x = 153,126,179.06
  5. Step 5: Solve for x
    x = 153,126,179.06/18,119.30
  6. Step 6: Final answer
    x = 8,451.00

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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.