Home / 14,126.34-21,189.36-3,452.80

Finding the Fourth Proportional to 14,126.34, 21,189.36 and 3,452.80

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Solution

The fourth proportional to 14,126.34, 21,189.36 and 3,452.80 is: 5,179.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,126.34 : 21,189.36 = 3,452.80 : x
  2. Step 2: Convert to fraction form
    14,126.34/21,189.36 = 3,452.80/x
  3. Step 3: Cross multiply
    14,126.34x = 21,189.36 × 3,452.80
  4. Step 4: Simplify right side
    14,126.34x = 73,162,622.21
  5. Step 5: Solve for x
    x = 73,162,622.21/14,126.34
  6. Step 6: Final answer
    x = 5,179.16

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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.