Home / 13,348.22-20,022.06-3,988.27

Finding the Fourth Proportional to 13,348.22, 20,022.06 and 3,988.27

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Solution

The fourth proportional to 13,348.22, 20,022.06 and 3,988.27 is: 5,982.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,348.22 : 20,022.06 = 3,988.27 : x
  2. Step 2: Convert to fraction form
    13,348.22/20,022.06 = 3,988.27/x
  3. Step 3: Cross multiply
    13,348.22x = 20,022.06 × 3,988.27
  4. Step 4: Simplify right side
    13,348.22x = 79,853,281.13
  5. Step 5: Solve for x
    x = 79,853,281.13/13,348.22
  6. Step 6: Final answer
    x = 5,982.32

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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.