Home / 12,519.32-17,276.92-7,739.96

Finding the Fourth Proportional to 12,519.32, 17,276.92 and 7,739.96

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Solution

The fourth proportional to 12,519.32, 17,276.92 and 7,739.96 is: 10,681.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,519.32 : 17,276.92 = 7,739.96 : x
  2. Step 2: Convert to fraction form
    12,519.32/17,276.92 = 7,739.96/x
  3. Step 3: Cross multiply
    12,519.32x = 17,276.92 × 7,739.96
  4. Step 4: Simplify right side
    12,519.32x = 133,722,669.72
  5. Step 5: Solve for x
    x = 133,722,669.72/12,519.32
  6. Step 6: Final answer
    x = 10,681.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.