Home / 13,412.66-20,100.45-5,083.83

Finding the Fourth Proportional to 13,412.66, 20,100.45 and 5,083.83

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Solution

The fourth proportional to 13,412.66, 20,100.45 and 5,083.83 is: 7,618.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,412.66 : 20,100.45 = 5,083.83 : x
  2. Step 2: Convert to fraction form
    13,412.66/20,100.45 = 5,083.83/x
  3. Step 3: Cross multiply
    13,412.66x = 20,100.45 × 5,083.83
  4. Step 4: Simplify right side
    13,412.66x = 102,187,289.79
  5. Step 5: Solve for x
    x = 102,187,289.79/13,412.66
  6. Step 6: Final answer
    x = 7,618.72

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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.