Home / 18,612.11-27,914.39-5,460.95

Finding the Fourth Proportional to 18,612.11, 27,914.39 and 5,460.95

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Solution

The fourth proportional to 18,612.11, 27,914.39 and 5,460.95 is: 8,190.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,612.11 : 27,914.39 = 5,460.95 : x
  2. Step 2: Convert to fraction form
    18,612.11/27,914.39 = 5,460.95/x
  3. Step 3: Cross multiply
    18,612.11x = 27,914.39 × 5,460.95
  4. Step 4: Simplify right side
    18,612.11x = 152,439,060.77
  5. Step 5: Solve for x
    x = 152,439,060.77/18,612.11
  6. Step 6: Final answer
    x = 8,190.32

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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.