Home / 18,331.62-27,505.23-12,415.18

Finding the Fourth Proportional to 18,331.62, 27,505.23 and 12,415.18

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Solution

The fourth proportional to 18,331.62, 27,505.23 and 12,415.18 is: 18,628.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,331.62 : 27,505.23 = 12,415.18 : x
  2. Step 2: Convert to fraction form
    18,331.62/27,505.23 = 12,415.18/x
  3. Step 3: Cross multiply
    18,331.62x = 27,505.23 × 12,415.18
  4. Step 4: Simplify right side
    18,331.62x = 341,482,381.39
  5. Step 5: Solve for x
    x = 341,482,381.39/18,331.62
  6. Step 6: Final answer
    x = 18,628.05

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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.