Home / 18,695.48-28,037.15-6,212.15

Finding the Fourth Proportional to 18,695.48, 28,037.15 and 6,212.15

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Solution

The fourth proportional to 18,695.48, 28,037.15 and 6,212.15 is: 9,316.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,695.48 : 28,037.15 = 6,212.15 : x
  2. Step 2: Convert to fraction form
    18,695.48/28,037.15 = 6,212.15/x
  3. Step 3: Cross multiply
    18,695.48x = 28,037.15 × 6,212.15
  4. Step 4: Simplify right side
    18,695.48x = 174,170,880.22
  5. Step 5: Solve for x
    x = 174,170,880.22/18,695.48
  6. Step 6: Final answer
    x = 9,316.21

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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.