Home / 13,982.68-20,973.33-5,216.91

Finding the Fourth Proportional to 13,982.68, 20,973.33 and 5,216.91

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Solution

The fourth proportional to 13,982.68, 20,973.33 and 5,216.91 is: 7,825.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,982.68 : 20,973.33 = 5,216.91 : x
  2. Step 2: Convert to fraction form
    13,982.68/20,973.33 = 5,216.91/x
  3. Step 3: Cross multiply
    13,982.68x = 20,973.33 × 5,216.91
  4. Step 4: Simplify right side
    13,982.68x = 109,415,896.36
  5. Step 5: Solve for x
    x = 109,415,896.36/13,982.68
  6. Step 6: Final answer
    x = 7,825.10

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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.