Home / 12,997.32-19,493.94-4,232.16

Finding the Fourth Proportional to 12,997.32, 19,493.94 and 4,232.16

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Solution

The fourth proportional to 12,997.32, 19,493.94 and 4,232.16 is: 6,347.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,997.32 : 19,493.94 = 4,232.16 : x
  2. Step 2: Convert to fraction form
    12,997.32/19,493.94 = 4,232.16/x
  3. Step 3: Cross multiply
    12,997.32x = 19,493.94 × 4,232.16
  4. Step 4: Simplify right side
    12,997.32x = 82,501,473.11
  5. Step 5: Solve for x
    x = 82,501,473.11/12,997.32
  6. Step 6: Final answer
    x = 6,347.58

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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.