Home / 13,149.10-19,725.45-4,383.10

Finding the Fourth Proportional to 13,149.10, 19,725.45 and 4,383.10

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Solution

The fourth proportional to 13,149.10, 19,725.45 and 4,383.10 is: 6,575.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,149.10 : 19,725.45 = 4,383.10 : x
  2. Step 2: Convert to fraction form
    13,149.10/19,725.45 = 4,383.10/x
  3. Step 3: Cross multiply
    13,149.10x = 19,725.45 × 4,383.10
  4. Step 4: Simplify right side
    13,149.10x = 86,458,619.90
  5. Step 5: Solve for x
    x = 86,458,619.90/13,149.10
  6. Step 6: Final answer
    x = 6,575.25

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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.