Home / 11,162.12-15,403.68-6,126.42

Finding the Fourth Proportional to 11,162.12, 15,403.68 and 6,126.42

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Solution

The fourth proportional to 11,162.12, 15,403.68 and 6,126.42 is: 8,454.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,162.12 : 15,403.68 = 6,126.42 : x
  2. Step 2: Convert to fraction form
    11,162.12/15,403.68 = 6,126.42/x
  3. Step 3: Cross multiply
    11,162.12x = 15,403.68 × 6,126.42
  4. Step 4: Simplify right side
    11,162.12x = 94,369,413.23
  5. Step 5: Solve for x
    x = 94,369,413.23/11,162.12
  6. Step 6: Final answer
    x = 8,454.43

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Double scale
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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.