Home / 13,149.18-19,723.77-4,383.54

Finding the Fourth Proportional to 13,149.18, 19,723.77 and 4,383.54

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Solution

The fourth proportional to 13,149.18, 19,723.77 and 4,383.54 is: 6,575.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,149.18 : 19,723.77 = 4,383.54 : x
  2. Step 2: Convert to fraction form
    13,149.18/19,723.77 = 4,383.54/x
  3. Step 3: Cross multiply
    13,149.18x = 19,723.77 × 4,383.54
  4. Step 4: Simplify right side
    13,149.18x = 86,459,934.75
  5. Step 5: Solve for x
    x = 86,459,934.75/13,149.18
  6. Step 6: Final answer
    x = 6,575.31

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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.