Home / 21,614.25-32,421.38-5,198.25

Finding the Fourth Proportional to 21,614.25, 32,421.38 and 5,198.25

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Solution

The fourth proportional to 21,614.25, 32,421.38 and 5,198.25 is: 7,797.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,614.25 : 32,421.38 = 5,198.25 : x
  2. Step 2: Convert to fraction form
    21,614.25/32,421.38 = 5,198.25/x
  3. Step 3: Cross multiply
    21,614.25x = 32,421.38 × 5,198.25
  4. Step 4: Simplify right side
    21,614.25x = 168,534,412.59
  5. Step 5: Solve for x
    x = 168,534,412.59/21,614.25
  6. Step 6: Final answer
    x = 7,797.38

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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.