Home / 12,456.66-18,685.26-4,661.22

Finding the Fourth Proportional to 12,456.66, 18,685.26 and 4,661.22

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Solution

The fourth proportional to 12,456.66, 18,685.26 and 4,661.22 is: 6,991.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,456.66 : 18,685.26 = 4,661.22 : x
  2. Step 2: Convert to fraction form
    12,456.66/18,685.26 = 4,661.22/x
  3. Step 3: Cross multiply
    12,456.66x = 18,685.26 × 4,661.22
  4. Step 4: Simplify right side
    12,456.66x = 87,096,107.62
  5. Step 5: Solve for x
    x = 87,096,107.62/12,456.66
  6. Step 6: Final answer
    x = 6,991.93

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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.