Home / 12,823.92-19,235.28-4,057.68

Finding the Fourth Proportional to 12,823.92, 19,235.28 and 4,057.68

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Solution

The fourth proportional to 12,823.92, 19,235.28 and 4,057.68 is: 6,086.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,823.92 : 19,235.28 = 4,057.68 : x
  2. Step 2: Convert to fraction form
    12,823.92/19,235.28 = 4,057.68/x
  3. Step 3: Cross multiply
    12,823.92x = 19,235.28 × 4,057.68
  4. Step 4: Simplify right side
    12,823.92x = 78,050,610.95
  5. Step 5: Solve for x
    x = 78,050,610.95/12,823.92
  6. Step 6: Final answer
    x = 6,086.33

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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.