Home / 11,376.84-17,065.17-3,479.34

Finding the Fourth Proportional to 11,376.84, 17,065.17 and 3,479.34

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Solution

The fourth proportional to 11,376.84, 17,065.17 and 3,479.34 is: 5,218.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,376.84 : 17,065.17 = 3,479.34 : x
  2. Step 2: Convert to fraction form
    11,376.84/17,065.17 = 3,479.34/x
  3. Step 3: Cross multiply
    11,376.84x = 17,065.17 × 3,479.34
  4. Step 4: Simplify right side
    11,376.84x = 59,375,528.59
  5. Step 5: Solve for x
    x = 59,375,528.59/11,376.84
  6. Step 6: Final answer
    x = 5,218.98

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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.