Home / 10,913.28-15,059.43-6,198.27

Finding the Fourth Proportional to 10,913.28, 15,059.43 and 6,198.27

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Solution

The fourth proportional to 10,913.28, 15,059.43 and 6,198.27 is: 8,553.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,913.28 : 15,059.43 = 6,198.27 : x
  2. Step 2: Convert to fraction form
    10,913.28/15,059.43 = 6,198.27/x
  3. Step 3: Cross multiply
    10,913.28x = 15,059.43 × 6,198.27
  4. Step 4: Simplify right side
    10,913.28x = 93,342,413.19
  5. Step 5: Solve for x
    x = 93,342,413.19/10,913.28
  6. Step 6: Final answer
    x = 8,553.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.