Home / 14,269.86-21,413.97-7,700.61

Finding the Fourth Proportional to 14,269.86, 21,413.97 and 7,700.61

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Solution

The fourth proportional to 14,269.86, 21,413.97 and 7,700.61 is: 11,555.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,269.86 : 21,413.97 = 7,700.61 : x
  2. Step 2: Convert to fraction form
    14,269.86/21,413.97 = 7,700.61/x
  3. Step 3: Cross multiply
    14,269.86x = 21,413.97 × 7,700.61
  4. Step 4: Simplify right side
    14,269.86x = 164,900,631.52
  5. Step 5: Solve for x
    x = 164,900,631.52/14,269.86
  6. Step 6: Final answer
    x = 11,555.87

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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.