Home / 18,695.67-28,037.70-6,212.90

Finding the Fourth Proportional to 18,695.67, 28,037.70 and 6,212.90

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Solution

The fourth proportional to 18,695.67, 28,037.70 and 6,212.90 is: 9,317.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,695.67 : 28,037.70 = 6,212.90 : x
  2. Step 2: Convert to fraction form
    18,695.67/28,037.70 = 6,212.90/x
  3. Step 3: Cross multiply
    18,695.67x = 28,037.70 × 6,212.90
  4. Step 4: Simplify right side
    18,695.67x = 174,195,286.14
  5. Step 5: Solve for x
    x = 174,195,286.14/18,695.67
  6. Step 6: Final answer
    x = 9,317.41

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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.