Home / 14,184.51-21,270.49-5,413.29

Finding the Fourth Proportional to 14,184.51, 21,270.49 and 5,413.29

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Solution

The fourth proportional to 14,184.51, 21,270.49 and 5,413.29 is: 8,117.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,184.51 : 21,270.49 = 5,413.29 : x
  2. Step 2: Convert to fraction form
    14,184.51/21,270.49 = 5,413.29/x
  3. Step 3: Cross multiply
    14,184.51x = 21,270.49 × 5,413.29
  4. Step 4: Simplify right side
    14,184.51x = 115,143,330.81
  5. Step 5: Solve for x
    x = 115,143,330.81/14,184.51
  6. Step 6: Final answer
    x = 8,117.54

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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.