Home / 18,299.34-25,230.12-14,938.74

Finding the Fourth Proportional to 18,299.34, 25,230.12 and 14,938.74

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Solution

The fourth proportional to 18,299.34, 25,230.12 and 14,938.74 is: 20,596.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,299.34 : 25,230.12 = 14,938.74 : x
  2. Step 2: Convert to fraction form
    18,299.34/25,230.12 = 14,938.74/x
  3. Step 3: Cross multiply
    18,299.34x = 25,230.12 × 14,938.74
  4. Step 4: Simplify right side
    18,299.34x = 376,906,202.85
  5. Step 5: Solve for x
    x = 376,906,202.85/18,299.34
  6. Step 6: Final answer
    x = 20,596.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.