Home / 18,329.60-27,491.70-5,183.30

Finding the Fourth Proportional to 18,329.60, 27,491.70 and 5,183.30

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Solution

The fourth proportional to 18,329.60, 27,491.70 and 5,183.30 is: 7,774.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,329.60 : 27,491.70 = 5,183.30 : x
  2. Step 2: Convert to fraction form
    18,329.60/27,491.70 = 5,183.30/x
  3. Step 3: Cross multiply
    18,329.60x = 27,491.70 × 5,183.30
  4. Step 4: Simplify right side
    18,329.60x = 142,497,728.61
  5. Step 5: Solve for x
    x = 142,497,728.61/18,329.60
  6. Step 6: Final answer
    x = 7,774.19

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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.