Home / 18,310.35-27,465.66-12,109.53

Finding the Fourth Proportional to 18,310.35, 27,465.66 and 12,109.53

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Solution

The fourth proportional to 18,310.35, 27,465.66 and 12,109.53 is: 18,164.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,310.35 : 27,465.66 = 12,109.53 : x
  2. Step 2: Convert to fraction form
    18,310.35/27,465.66 = 12,109.53/x
  3. Step 3: Cross multiply
    18,310.35x = 27,465.66 × 12,109.53
  4. Step 4: Simplify right side
    18,310.35x = 332,596,233.74
  5. Step 5: Solve for x
    x = 332,596,233.74/18,310.35
  6. Step 6: Final answer
    x = 18,164.38

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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.