Home / 12,299.14-16,971.12-6,992.93

Finding the Fourth Proportional to 12,299.14, 16,971.12 and 6,992.93

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Solution

The fourth proportional to 12,299.14, 16,971.12 and 6,992.93 is: 9,649.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,299.14 : 16,971.12 = 6,992.93 : x
  2. Step 2: Convert to fraction form
    12,299.14/16,971.12 = 6,992.93/x
  3. Step 3: Cross multiply
    12,299.14x = 16,971.12 × 6,992.93
  4. Step 4: Simplify right side
    12,299.14x = 118,677,896.61
  5. Step 5: Solve for x
    x = 118,677,896.61/12,299.14
  6. Step 6: Final answer
    x = 9,649.28

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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.