Home / 18,140.60-27,194.46-6,451.08

Finding the Fourth Proportional to 18,140.60, 27,194.46 and 6,451.08

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Solution

The fourth proportional to 18,140.60, 27,194.46 and 6,451.08 is: 9,670.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,140.60 : 27,194.46 = 6,451.08 : x
  2. Step 2: Convert to fraction form
    18,140.60/27,194.46 = 6,451.08/x
  3. Step 3: Cross multiply
    18,140.60x = 27,194.46 × 6,451.08
  4. Step 4: Simplify right side
    18,140.60x = 175,433,637.02
  5. Step 5: Solve for x
    x = 175,433,637.02/18,140.60
  6. Step 6: Final answer
    x = 9,670.78

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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.