Home / 12,553.48-17,321.70-6,964.36

Finding the Fourth Proportional to 12,553.48, 17,321.70 and 6,964.36

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Solution

The fourth proportional to 12,553.48, 17,321.70 and 6,964.36 is: 9,609.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,553.48 : 17,321.70 = 6,964.36 : x
  2. Step 2: Convert to fraction form
    12,553.48/17,321.70 = 6,964.36/x
  3. Step 3: Cross multiply
    12,553.48x = 17,321.70 × 6,964.36
  4. Step 4: Simplify right side
    12,553.48x = 120,634,554.61
  5. Step 5: Solve for x
    x = 120,634,554.61/12,553.48
  6. Step 6: Final answer
    x = 9,609.65

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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.