Home / 19,243.67-28,812.25-9,863.47

Finding the Fourth Proportional to 19,243.67, 28,812.25 and 9,863.47

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Solution

The fourth proportional to 19,243.67, 28,812.25 and 9,863.47 is: 14,767.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,243.67 : 28,812.25 = 9,863.47 : x
  2. Step 2: Convert to fraction form
    19,243.67/28,812.25 = 9,863.47/x
  3. Step 3: Cross multiply
    19,243.67x = 28,812.25 × 9,863.47
  4. Step 4: Simplify right side
    19,243.67x = 284,188,570.13
  5. Step 5: Solve for x
    x = 284,188,570.13/19,243.67
  6. Step 6: Final answer
    x = 14,767.90

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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.