Home / 12,885.82-19,335.92-6,962.59

Finding the Fourth Proportional to 12,885.82, 19,335.92 and 6,962.59

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Solution

The fourth proportional to 12,885.82, 19,335.92 and 6,962.59 is: 10,447.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,885.82 : 19,335.92 = 6,962.59 : x
  2. Step 2: Convert to fraction form
    12,885.82/19,335.92 = 6,962.59/x
  3. Step 3: Cross multiply
    12,885.82x = 19,335.92 × 6,962.59
  4. Step 4: Simplify right side
    12,885.82x = 134,628,072.59
  5. Step 5: Solve for x
    x = 134,628,072.59/12,885.82
  6. Step 6: Final answer
    x = 10,447.77

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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.