Home / 9,988.96-14,985.24-3,413.56

Finding the Fourth Proportional to 9,988.96, 14,985.24 and 3,413.56

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Solution

The fourth proportional to 9,988.96, 14,985.24 and 3,413.56 is: 5,120.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,988.96 : 14,985.24 = 3,413.56 : x
  2. Step 2: Convert to fraction form
    9,988.96/14,985.24 = 3,413.56/x
  3. Step 3: Cross multiply
    9,988.96x = 14,985.24 × 3,413.56
  4. Step 4: Simplify right side
    9,988.96x = 51,153,015.85
  5. Step 5: Solve for x
    x = 51,153,015.85/9,988.96
  6. Step 6: Final answer
    x = 5,120.96

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1.5x scale

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.