Home / 12,091.41-18,106.02-7,164.54

Finding the Fourth Proportional to 12,091.41, 18,106.02 and 7,164.54

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Solution

The fourth proportional to 12,091.41, 18,106.02 and 7,164.54 is: 10,728.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,091.41 : 18,106.02 = 7,164.54 : x
  2. Step 2: Convert to fraction form
    12,091.41/18,106.02 = 7,164.54/x
  3. Step 3: Cross multiply
    12,091.41x = 18,106.02 × 7,164.54
  4. Step 4: Simplify right side
    12,091.41x = 129,721,304.53
  5. Step 5: Solve for x
    x = 129,721,304.53/12,091.41
  6. Step 6: Final answer
    x = 10,728.39

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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.