Home / 18,814.12-28,221.58-6,334.52

Finding the Fourth Proportional to 18,814.12, 28,221.58 and 6,334.52

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Solution

The fourth proportional to 18,814.12, 28,221.58 and 6,334.52 is: 9,501.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,814.12 : 28,221.58 = 6,334.52 : x
  2. Step 2: Convert to fraction form
    18,814.12/28,221.58 = 6,334.52/x
  3. Step 3: Cross multiply
    18,814.12x = 28,221.58 × 6,334.52
  4. Step 4: Simplify right side
    18,814.12x = 178,770,162.94
  5. Step 5: Solve for x
    x = 178,770,162.94/18,814.12
  6. Step 6: Final answer
    x = 9,501.91

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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.