Home / 11,314.06-16,970.88-3,416.42

Finding the Fourth Proportional to 11,314.06, 16,970.88 and 3,416.42

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Solution

The fourth proportional to 11,314.06, 16,970.88 and 3,416.42 is: 5,124.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,314.06 : 16,970.88 = 3,416.42 : x
  2. Step 2: Convert to fraction form
    11,314.06/16,970.88 = 3,416.42/x
  3. Step 3: Cross multiply
    11,314.06x = 16,970.88 × 3,416.42
  4. Step 4: Simplify right side
    11,314.06x = 57,979,653.85
  5. Step 5: Solve for x
    x = 57,979,653.85/11,314.06
  6. Step 6: Final answer
    x = 5,124.57

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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.