Home / 12,746.66-19,122.72-5,346.85

Finding the Fourth Proportional to 12,746.66, 19,122.72 and 5,346.85

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Solution

The fourth proportional to 12,746.66, 19,122.72 and 5,346.85 is: 8,021.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,746.66 : 19,122.72 = 5,346.85 : x
  2. Step 2: Convert to fraction form
    12,746.66/19,122.72 = 5,346.85/x
  3. Step 3: Cross multiply
    12,746.66x = 19,122.72 × 5,346.85
  4. Step 4: Simplify right side
    12,746.66x = 102,246,359.39
  5. Step 5: Solve for x
    x = 102,246,359.39/12,746.66
  6. Step 6: Final answer
    x = 8,021.42

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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.