Home / 12,790.76-19,179.38-4,023.32

Finding the Fourth Proportional to 12,790.76, 19,179.38 and 4,023.32

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Solution

The fourth proportional to 12,790.76, 19,179.38 and 4,023.32 is: 6,032.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,790.76 : 19,179.38 = 4,023.32 : x
  2. Step 2: Convert to fraction form
    12,790.76/19,179.38 = 4,023.32/x
  3. Step 3: Cross multiply
    12,790.76x = 19,179.38 × 4,023.32
  4. Step 4: Simplify right side
    12,790.76x = 77,164,783.14
  5. Step 5: Solve for x
    x = 77,164,783.14/12,790.76
  6. Step 6: Final answer
    x = 6,032.85

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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.