Home / 14,650.14-20,217.23-7,935.78

Finding the Fourth Proportional to 14,650.14, 20,217.23 and 7,935.78

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Solution

The fourth proportional to 14,650.14, 20,217.23 and 7,935.78 is: 10,951.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,650.14 : 20,217.23 = 7,935.78 : x
  2. Step 2: Convert to fraction form
    14,650.14/20,217.23 = 7,935.78/x
  3. Step 3: Cross multiply
    14,650.14x = 20,217.23 × 7,935.78
  4. Step 4: Simplify right side
    14,650.14x = 160,439,489.49
  5. Step 5: Solve for x
    x = 160,439,489.49/14,650.14
  6. Step 6: Final answer
    x = 10,951.40

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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.