Home / 18,211.21-27,316.82-10,414.55

Finding the Fourth Proportional to 18,211.21, 27,316.82 and 10,414.55

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Solution

The fourth proportional to 18,211.21, 27,316.82 and 10,414.55 is: 15,621.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,211.21 : 27,316.82 = 10,414.55 : x
  2. Step 2: Convert to fraction form
    18,211.21/27,316.82 = 10,414.55/x
  3. Step 3: Cross multiply
    18,211.21x = 27,316.82 × 10,414.55
  4. Step 4: Simplify right side
    18,211.21x = 284,492,482.06
  5. Step 5: Solve for x
    x = 284,492,482.06/18,211.21
  6. Step 6: Final answer
    x = 15,621.84

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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.