Home / 18,280.12-27,419.94-4,429.24

Finding the Fourth Proportional to 18,280.12, 27,419.94 and 4,429.24

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Solution

The fourth proportional to 18,280.12, 27,419.94 and 4,429.24 is: 6,643.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,280.12 : 27,419.94 = 4,429.24 : x
  2. Step 2: Convert to fraction form
    18,280.12/27,419.94 = 4,429.24/x
  3. Step 3: Cross multiply
    18,280.12x = 27,419.94 × 4,429.24
  4. Step 4: Simplify right side
    18,280.12x = 121,449,495.05
  5. Step 5: Solve for x
    x = 121,449,495.05/18,280.12
  6. Step 6: Final answer
    x = 6,643.80

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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.