Home / 11,999.71-16,559.48-6,622.19

Finding the Fourth Proportional to 11,999.71, 16,559.48 and 6,622.19

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Solution

The fourth proportional to 11,999.71, 16,559.48 and 6,622.19 is: 9,138.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,999.71 : 16,559.48 = 6,622.19 : x
  2. Step 2: Convert to fraction form
    11,999.71/16,559.48 = 6,622.19/x
  3. Step 3: Cross multiply
    11,999.71x = 16,559.48 × 6,622.19
  4. Step 4: Simplify right side
    11,999.71x = 109,660,018.72
  5. Step 5: Solve for x
    x = 109,660,018.72/11,999.71
  6. Step 6: Final answer
    x = 9,138.55

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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.