Home / 19,914.14-29,871.91-6,764.80

Finding the Fourth Proportional to 19,914.14, 29,871.91 and 6,764.80

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Solution

The fourth proportional to 19,914.14, 29,871.91 and 6,764.80 is: 10,147.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,914.14 : 29,871.91 = 6,764.80 : x
  2. Step 2: Convert to fraction form
    19,914.14/29,871.91 = 6,764.80/x
  3. Step 3: Cross multiply
    19,914.14x = 29,871.91 × 6,764.80
  4. Step 4: Simplify right side
    19,914.14x = 202,077,496.77
  5. Step 5: Solve for x
    x = 202,077,496.77/19,914.14
  6. Step 6: Final answer
    x = 10,147.44

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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.