Home / 10,235.86-15,329.18-6,938.95

Finding the Fourth Proportional to 10,235.86, 15,329.18 and 6,938.95

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Solution

The fourth proportional to 10,235.86, 15,329.18 and 6,938.95 is: 10,391.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,235.86 : 15,329.18 = 6,938.95 : x
  2. Step 2: Convert to fraction form
    10,235.86/15,329.18 = 6,938.95/x
  3. Step 3: Cross multiply
    10,235.86x = 15,329.18 × 6,938.95
  4. Step 4: Simplify right side
    10,235.86x = 106,368,413.56
  5. Step 5: Solve for x
    x = 106,368,413.56/10,235.86
  6. Step 6: Final answer
    x = 10,391.74

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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.