Home / 12,106.05-18,160.89-4,314.25

Finding the Fourth Proportional to 12,106.05, 18,160.89 and 4,314.25

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Solution

The fourth proportional to 12,106.05, 18,160.89 and 4,314.25 is: 6,472.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,106.05 : 18,160.89 = 4,314.25 : x
  2. Step 2: Convert to fraction form
    12,106.05/18,160.89 = 4,314.25/x
  3. Step 3: Cross multiply
    12,106.05x = 18,160.89 × 4,314.25
  4. Step 4: Simplify right side
    12,106.05x = 78,350,619.68
  5. Step 5: Solve for x
    x = 78,350,619.68/12,106.05
  6. Step 6: Final answer
    x = 6,472.02

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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.