Home / 12,904.92-19,359.18-4,142.52

Finding the Fourth Proportional to 12,904.92, 19,359.18 and 4,142.52

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Solution

The fourth proportional to 12,904.92, 19,359.18 and 4,142.52 is: 6,214.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,904.92 : 19,359.18 = 4,142.52 : x
  2. Step 2: Convert to fraction form
    12,904.92/19,359.18 = 4,142.52/x
  3. Step 3: Cross multiply
    12,904.92x = 19,359.18 × 4,142.52
  4. Step 4: Simplify right side
    12,904.92x = 80,195,790.33
  5. Step 5: Solve for x
    x = 80,195,790.33/12,904.92
  6. Step 6: Final answer
    x = 6,214.36

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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.