Home / 18,567.23-27,858.14-8,171.69

Finding the Fourth Proportional to 18,567.23, 27,858.14 and 8,171.69

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Solution

The fourth proportional to 18,567.23, 27,858.14 and 8,171.69 is: 12,260.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,567.23 : 27,858.14 = 8,171.69 : x
  2. Step 2: Convert to fraction form
    18,567.23/27,858.14 = 8,171.69/x
  3. Step 3: Cross multiply
    18,567.23x = 27,858.14 × 8,171.69
  4. Step 4: Simplify right side
    18,567.23x = 227,648,084.06
  5. Step 5: Solve for x
    x = 227,648,084.06/18,567.23
  6. Step 6: Final answer
    x = 12,260.75

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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.