Home / 18,827.43-28,224.36-7,148.85

Finding the Fourth Proportional to 18,827.43, 28,224.36 and 7,148.85

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Solution

The fourth proportional to 18,827.43, 28,224.36 and 7,148.85 is: 10,716.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,827.43 : 28,224.36 = 7,148.85 : x
  2. Step 2: Convert to fraction form
    18,827.43/28,224.36 = 7,148.85/x
  3. Step 3: Cross multiply
    18,827.43x = 28,224.36 × 7,148.85
  4. Step 4: Simplify right side
    18,827.43x = 201,771,610.14
  5. Step 5: Solve for x
    x = 201,771,610.14/18,827.43
  6. Step 6: Final answer
    x = 10,716.90

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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.