Home / 11,131.46-16,705.19-4,378.08

Finding the Fourth Proportional to 11,131.46, 16,705.19 and 4,378.08

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Solution

The fourth proportional to 11,131.46, 16,705.19 and 4,378.08 is: 6,570.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,131.46 : 16,705.19 = 4,378.08 : x
  2. Step 2: Convert to fraction form
    11,131.46/16,705.19 = 4,378.08/x
  3. Step 3: Cross multiply
    11,131.46x = 16,705.19 × 4,378.08
  4. Step 4: Simplify right side
    11,131.46x = 73,136,658.24
  5. Step 5: Solve for x
    x = 73,136,658.24/11,131.46
  6. Step 6: Final answer
    x = 6,570.27

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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.