Home / 12,537.80-17,302.56-6,872.94

Finding the Fourth Proportional to 12,537.80, 17,302.56 and 6,872.94

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Solution

The fourth proportional to 12,537.80, 17,302.56 and 6,872.94 is: 9,484.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,537.80 : 17,302.56 = 6,872.94 : x
  2. Step 2: Convert to fraction form
    12,537.80/17,302.56 = 6,872.94/x
  3. Step 3: Cross multiply
    12,537.80x = 17,302.56 × 6,872.94
  4. Step 4: Simplify right side
    12,537.80x = 118,919,456.73
  5. Step 5: Solve for x
    x = 118,919,456.73/12,537.80
  6. Step 6: Final answer
    x = 9,484.87

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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.