Home / 18,567.77-27,854.21-5,418.23

Finding the Fourth Proportional to 18,567.77, 27,854.21 and 5,418.23

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Solution

The fourth proportional to 18,567.77, 27,854.21 and 5,418.23 is: 8,128.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,567.77 : 27,854.21 = 5,418.23 : x
  2. Step 2: Convert to fraction form
    18,567.77/27,854.21 = 5,418.23/x
  3. Step 3: Cross multiply
    18,567.77x = 27,854.21 × 5,418.23
  4. Step 4: Simplify right side
    18,567.77x = 150,920,390.52
  5. Step 5: Solve for x
    x = 150,920,390.52/18,567.77
  6. Step 6: Final answer
    x = 8,128.09

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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.