Home / 18,682.47-27,959.04-11,563.74

Finding the Fourth Proportional to 18,682.47, 27,959.04 and 11,563.74

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Solution

The fourth proportional to 18,682.47, 27,959.04 and 11,563.74 is: 17,305.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,682.47 : 27,959.04 = 11,563.74 : x
  2. Step 2: Convert to fraction form
    18,682.47/27,959.04 = 11,563.74/x
  3. Step 3: Cross multiply
    18,682.47x = 27,959.04 × 11,563.74
  4. Step 4: Simplify right side
    18,682.47x = 323,311,069.21
  5. Step 5: Solve for x
    x = 323,311,069.21/18,682.47
  6. Step 6: Final answer
    x = 17,305.58

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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.