Home / 18,865.56-28,298.22-4,633.86

Finding the Fourth Proportional to 18,865.56, 28,298.22 and 4,633.86

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Solution

The fourth proportional to 18,865.56, 28,298.22 and 4,633.86 is: 6,950.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,865.56 : 28,298.22 = 4,633.86 : x
  2. Step 2: Convert to fraction form
    18,865.56/28,298.22 = 4,633.86/x
  3. Step 3: Cross multiply
    18,865.56x = 28,298.22 × 4,633.86
  4. Step 4: Simplify right side
    18,865.56x = 131,129,989.73
  5. Step 5: Solve for x
    x = 131,129,989.73/18,865.56
  6. Step 6: Final answer
    x = 6,950.76

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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.