Home / 11,081.81-16,617.83-4,151.45

Finding the Fourth Proportional to 11,081.81, 16,617.83 and 4,151.45

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Solution

The fourth proportional to 11,081.81, 16,617.83 and 4,151.45 is: 6,225.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,081.81 : 16,617.83 = 4,151.45 : x
  2. Step 2: Convert to fraction form
    11,081.81/16,617.83 = 4,151.45/x
  3. Step 3: Cross multiply
    11,081.81x = 16,617.83 × 4,151.45
  4. Step 4: Simplify right side
    11,081.81x = 68,987,986.51
  5. Step 5: Solve for x
    x = 68,987,986.51/11,081.81
  6. Step 6: Final answer
    x = 6,225.34

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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.