Home / 18,310.05-27,478.31-14,160.15

Finding the Fourth Proportional to 18,310.05, 27,478.31 and 14,160.15

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Solution

The fourth proportional to 18,310.05, 27,478.31 and 14,160.15 is: 21,250.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,310.05 : 27,478.31 = 14,160.15 : x
  2. Step 2: Convert to fraction form
    18,310.05/27,478.31 = 14,160.15/x
  3. Step 3: Cross multiply
    18,310.05x = 27,478.31 × 14,160.15
  4. Step 4: Simplify right side
    18,310.05x = 389,096,920.55
  5. Step 5: Solve for x
    x = 389,096,920.55/18,310.05
  6. Step 6: Final answer
    x = 21,250.46

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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.