Home / 10,524.23-15,785.99-3,128.73

Finding the Fourth Proportional to 10,524.23, 15,785.99 and 3,128.73

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Solution

The fourth proportional to 10,524.23, 15,785.99 and 3,128.73 is: 4,692.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,524.23 : 15,785.99 = 3,128.73 : x
  2. Step 2: Convert to fraction form
    10,524.23/15,785.99 = 3,128.73/x
  3. Step 3: Cross multiply
    10,524.23x = 15,785.99 × 3,128.73
  4. Step 4: Simplify right side
    10,524.23x = 49,390,037.38
  5. Step 5: Solve for x
    x = 49,390,037.38/10,524.23
  6. Step 6: Final answer
    x = 4,692.98

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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.