Home / 18,057.14-27,085.59-4,909.46

Finding the Fourth Proportional to 18,057.14, 27,085.59 and 4,909.46

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Solution

The fourth proportional to 18,057.14, 27,085.59 and 4,909.46 is: 7,364.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,057.14 : 27,085.59 = 4,909.46 : x
  2. Step 2: Convert to fraction form
    18,057.14/27,085.59 = 4,909.46/x
  3. Step 3: Cross multiply
    18,057.14x = 27,085.59 × 4,909.46
  4. Step 4: Simplify right side
    18,057.14x = 132,975,620.68
  5. Step 5: Solve for x
    x = 132,975,620.68/18,057.14
  6. Step 6: Final answer
    x = 7,364.16

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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.