Home / 18,284.98-27,427.73-6,439.14

Finding the Fourth Proportional to 18,284.98, 27,427.73 and 6,439.14

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Solution

The fourth proportional to 18,284.98, 27,427.73 and 6,439.14 is: 9,658.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,284.98 : 27,427.73 = 6,439.14 : x
  2. Step 2: Convert to fraction form
    18,284.98/27,427.73 = 6,439.14/x
  3. Step 3: Cross multiply
    18,284.98x = 27,427.73 × 6,439.14
  4. Step 4: Simplify right side
    18,284.98x = 176,610,993.35
  5. Step 5: Solve for x
    x = 176,610,993.35/18,284.98
  6. Step 6: Final answer
    x = 9,658.80

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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.