Home / 12,329.31-16,994.00-8,739.65

Finding the Fourth Proportional to 12,329.31, 16,994.00 and 8,739.65

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Solution

The fourth proportional to 12,329.31, 16,994.00 and 8,739.65 is: 12,046.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,329.31 : 16,994.00 = 8,739.65 : x
  2. Step 2: Convert to fraction form
    12,329.31/16,994.00 = 8,739.65/x
  3. Step 3: Cross multiply
    12,329.31x = 16,994.00 × 8,739.65
  4. Step 4: Simplify right side
    12,329.31x = 148,521,580.84
  5. Step 5: Solve for x
    x = 148,521,580.84/12,329.31
  6. Step 6: Final answer
    x = 12,046.22

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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.