Home / 18,564.43-27,847.59-5,417.80

Finding the Fourth Proportional to 18,564.43, 27,847.59 and 5,417.80

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Solution

The fourth proportional to 18,564.43, 27,847.59 and 5,417.80 is: 8,126.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,564.43 : 27,847.59 = 5,417.80 : x
  2. Step 2: Convert to fraction form
    18,564.43/27,847.59 = 5,417.80/x
  3. Step 3: Cross multiply
    18,564.43x = 27,847.59 × 5,417.80
  4. Step 4: Simplify right side
    18,564.43x = 150,872,673.10
  5. Step 5: Solve for x
    x = 150,872,673.10/18,564.43
  6. Step 6: Final answer
    x = 8,126.98

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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.