Home / 11,680.84-17,521.44-3,889.66

Finding the Fourth Proportional to 11,680.84, 17,521.44 and 3,889.66

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Solution

The fourth proportional to 11,680.84, 17,521.44 and 3,889.66 is: 5,834.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,680.84 : 17,521.44 = 3,889.66 : x
  2. Step 2: Convert to fraction form
    11,680.84/17,521.44 = 3,889.66/x
  3. Step 3: Cross multiply
    11,680.84x = 17,521.44 × 3,889.66
  4. Step 4: Simplify right side
    11,680.84x = 68,152,444.31
  5. Step 5: Solve for x
    x = 68,152,444.31/11,680.84
  6. Step 6: Final answer
    x = 5,834.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.