Home / 18,320.40-27,468.45-8,454.60

Finding the Fourth Proportional to 18,320.40, 27,468.45 and 8,454.60

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Solution

The fourth proportional to 18,320.40, 27,468.45 and 8,454.60 is: 12,676.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,320.40 : 27,468.45 = 8,454.60 : x
  2. Step 2: Convert to fraction form
    18,320.40/27,468.45 = 8,454.60/x
  3. Step 3: Cross multiply
    18,320.40x = 27,468.45 × 8,454.60
  4. Step 4: Simplify right side
    18,320.40x = 232,234,757.37
  5. Step 5: Solve for x
    x = 232,234,757.37/18,320.40
  6. Step 6: Final answer
    x = 12,676.29

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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.