Home / 12,091.42-18,144.29-6,544.63

Finding the Fourth Proportional to 12,091.42, 18,144.29 and 6,544.63

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Solution

The fourth proportional to 12,091.42, 18,144.29 and 6,544.63 is: 9,820.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,091.42 : 18,144.29 = 6,544.63 : x
  2. Step 2: Convert to fraction form
    12,091.42/18,144.29 = 6,544.63/x
  3. Step 3: Cross multiply
    12,091.42x = 18,144.29 × 6,544.63
  4. Step 4: Simplify right side
    12,091.42x = 118,747,664.66
  5. Step 5: Solve for x
    x = 118,747,664.66/12,091.42
  6. Step 6: Final answer
    x = 9,820.82

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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.