Home / 18,630.28-25,709.82-10,246.78

Finding the Fourth Proportional to 18,630.28, 25,709.82 and 10,246.78

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Solution

The fourth proportional to 18,630.28, 25,709.82 and 10,246.78 is: 14,140.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,630.28 : 25,709.82 = 10,246.78 : x
  2. Step 2: Convert to fraction form
    18,630.28/25,709.82 = 10,246.78/x
  3. Step 3: Cross multiply
    18,630.28x = 25,709.82 × 10,246.78
  4. Step 4: Simplify right side
    18,630.28x = 263,442,869.38
  5. Step 5: Solve for x
    x = 263,442,869.38/18,630.28
  6. Step 6: Final answer
    x = 14,140.57

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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.