Home / 12,113.94-16,612.93-11,608.79

Finding the Fourth Proportional to 12,113.94, 16,612.93 and 11,608.79

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Solution

The fourth proportional to 12,113.94, 16,612.93 and 11,608.79 is: 15,920.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,113.94 : 16,612.93 = 11,608.79 : x
  2. Step 2: Convert to fraction form
    12,113.94/16,612.93 = 11,608.79/x
  3. Step 3: Cross multiply
    12,113.94x = 16,612.93 × 11,608.79
  4. Step 4: Simplify right side
    12,113.94x = 192,856,015.65
  5. Step 5: Solve for x
    x = 192,856,015.65/12,113.94
  6. Step 6: Final answer
    x = 15,920.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.