Home / 13,178.48-19,767.88-4,413.42

Finding the Fourth Proportional to 13,178.48, 19,767.88 and 4,413.42

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Solution

The fourth proportional to 13,178.48, 19,767.88 and 4,413.42 is: 6,620.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,178.48 : 19,767.88 = 4,413.42 : x
  2. Step 2: Convert to fraction form
    13,178.48/19,767.88 = 4,413.42/x
  3. Step 3: Cross multiply
    13,178.48x = 19,767.88 × 4,413.42
  4. Step 4: Simplify right side
    13,178.48x = 87,243,956.95
  5. Step 5: Solve for x
    x = 87,243,956.95/13,178.48
  6. Step 6: Final answer
    x = 6,620.18

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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.