Home / 18,972.43-28,464.14-5,826.74

Finding the Fourth Proportional to 18,972.43, 28,464.14 and 5,826.74

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Solution

The fourth proportional to 18,972.43, 28,464.14 and 5,826.74 is: 8,741.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,972.43 : 28,464.14 = 5,826.74 : x
  2. Step 2: Convert to fraction form
    18,972.43/28,464.14 = 5,826.74/x
  3. Step 3: Cross multiply
    18,972.43x = 28,464.14 × 5,826.74
  4. Step 4: Simplify right side
    18,972.43x = 165,853,015.35
  5. Step 5: Solve for x
    x = 165,853,015.35/18,972.43
  6. Step 6: Final answer
    x = 8,741.79

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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.