Home / 18,077.68-27,116.24-6,390.96

Finding the Fourth Proportional to 18,077.68, 27,116.24 and 6,390.96

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Solution

The fourth proportional to 18,077.68, 27,116.24 and 6,390.96 is: 9,586.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,077.68 : 27,116.24 = 6,390.96 : x
  2. Step 2: Convert to fraction form
    18,077.68/27,116.24 = 6,390.96/x
  3. Step 3: Cross multiply
    18,077.68x = 27,116.24 × 6,390.96
  4. Step 4: Simplify right side
    18,077.68x = 173,298,805.19
  5. Step 5: Solve for x
    x = 173,298,805.19/18,077.68
  6. Step 6: Final answer
    x = 9,586.34

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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.