Home / 12,976.32-19,461.24-4,213.74

Finding the Fourth Proportional to 12,976.32, 19,461.24 and 4,213.74

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Solution

The fourth proportional to 12,976.32, 19,461.24 and 4,213.74 is: 6,319.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,976.32 : 19,461.24 = 4,213.74 : x
  2. Step 2: Convert to fraction form
    12,976.32/19,461.24 = 4,213.74/x
  3. Step 3: Cross multiply
    12,976.32x = 19,461.24 × 4,213.74
  4. Step 4: Simplify right side
    12,976.32x = 82,004,605.44
  5. Step 5: Solve for x
    x = 82,004,605.44/12,976.32
  6. Step 6: Final answer
    x = 6,319.56

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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.