Home / 18,699.24-28,042.74-6,215.91

Finding the Fourth Proportional to 18,699.24, 28,042.74 and 6,215.91

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Solution

The fourth proportional to 18,699.24, 28,042.74 and 6,215.91 is: 9,321.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,699.24 : 28,042.74 = 6,215.91 : x
  2. Step 2: Convert to fraction form
    18,699.24/28,042.74 = 6,215.91/x
  3. Step 3: Cross multiply
    18,699.24x = 28,042.74 × 6,215.91
  4. Step 4: Simplify right side
    18,699.24x = 174,311,147.99
  5. Step 5: Solve for x
    x = 174,311,147.99/18,699.24
  6. Step 6: Final answer
    x = 9,321.83

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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.