Home / 18,057.39-27,085.97-4,909.71

Finding the Fourth Proportional to 18,057.39, 27,085.97 and 4,909.71

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Solution

The fourth proportional to 18,057.39, 27,085.97 and 4,909.71 is: 7,364.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,057.39 : 27,085.97 = 4,909.71 : x
  2. Step 2: Convert to fraction form
    18,057.39/27,085.97 = 4,909.71/x
  3. Step 3: Cross multiply
    18,057.39x = 27,085.97 × 4,909.71
  4. Step 4: Simplify right side
    18,057.39x = 132,984,233.22
  5. Step 5: Solve for x
    x = 132,984,233.22/18,057.39
  6. Step 6: Final answer
    x = 7,364.53

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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.