Home / 18,464.11-27,679.75-6,774.59

Finding the Fourth Proportional to 18,464.11, 27,679.75 and 6,774.59

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Solution

The fourth proportional to 18,464.11, 27,679.75 and 6,774.59 is: 10,155.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,464.11 : 27,679.75 = 6,774.59 : x
  2. Step 2: Convert to fraction form
    18,464.11/27,679.75 = 6,774.59/x
  3. Step 3: Cross multiply
    18,464.11x = 27,679.75 × 6,774.59
  4. Step 4: Simplify right side
    18,464.11x = 187,519,009.82
  5. Step 5: Solve for x
    x = 187,519,009.82/18,464.11
  6. Step 6: Final answer
    x = 10,155.87

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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.