Home / 12,299.13-16,971.36-6,992.82

Finding the Fourth Proportional to 12,299.13, 16,971.36 and 6,992.82

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Solution

The fourth proportional to 12,299.13, 16,971.36 and 6,992.82 is: 9,649.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,299.13 : 16,971.36 = 6,992.82 : x
  2. Step 2: Convert to fraction form
    12,299.13/16,971.36 = 6,992.82/x
  3. Step 3: Cross multiply
    12,299.13x = 16,971.36 × 6,992.82
  4. Step 4: Simplify right side
    12,299.13x = 118,677,665.64
  5. Step 5: Solve for x
    x = 118,677,665.64/12,299.13
  6. Step 6: Final answer
    x = 9,649.27

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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.