Home / 18,178.60-27,259.28-6,328.25

Finding the Fourth Proportional to 18,178.60, 27,259.28 and 6,328.25

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Solution

The fourth proportional to 18,178.60, 27,259.28 and 6,328.25 is: 9,489.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,178.60 : 27,259.28 = 6,328.25 : x
  2. Step 2: Convert to fraction form
    18,178.60/27,259.28 = 6,328.25/x
  3. Step 3: Cross multiply
    18,178.60x = 27,259.28 × 6,328.25
  4. Step 4: Simplify right side
    18,178.60x = 172,503,608.94
  5. Step 5: Solve for x
    x = 172,503,608.94/18,178.60
  6. Step 6: Final answer
    x = 9,489.38

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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.