Home / 12,313.80-16,992.36-7,008.66

Finding the Fourth Proportional to 12,313.80, 16,992.36 and 7,008.66

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Solution

The fourth proportional to 12,313.80, 16,992.36 and 7,008.66 is: 9,671.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,313.80 : 16,992.36 = 7,008.66 : x
  2. Step 2: Convert to fraction form
    12,313.80/16,992.36 = 7,008.66/x
  3. Step 3: Cross multiply
    12,313.80x = 16,992.36 × 7,008.66
  4. Step 4: Simplify right side
    12,313.80x = 119,093,673.84
  5. Step 5: Solve for x
    x = 119,093,673.84/12,313.80
  6. Step 6: Final answer
    x = 9,671.56

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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.