Home / 14,413.76-19,893.84-9,105.92

Finding the Fourth Proportional to 14,413.76, 19,893.84 and 9,105.92

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Solution

The fourth proportional to 14,413.76, 19,893.84 and 9,105.92 is: 12,567.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,413.76 : 19,893.84 = 9,105.92 : x
  2. Step 2: Convert to fraction form
    14,413.76/19,893.84 = 9,105.92/x
  3. Step 3: Cross multiply
    14,413.76x = 19,893.84 × 9,105.92
  4. Step 4: Simplify right side
    14,413.76x = 181,151,715.53
  5. Step 5: Solve for x
    x = 181,151,715.53/14,413.76
  6. Step 6: Final answer
    x = 12,567.97

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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.