Home / 13,050.75-19,550.19-6,456.81

Finding the Fourth Proportional to 13,050.75, 19,550.19 and 6,456.81

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Solution

The fourth proportional to 13,050.75, 19,550.19 and 6,456.81 is: 9,672.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,050.75 : 19,550.19 = 6,456.81 : x
  2. Step 2: Convert to fraction form
    13,050.75/19,550.19 = 6,456.81/x
  3. Step 3: Cross multiply
    13,050.75x = 19,550.19 × 6,456.81
  4. Step 4: Simplify right side
    13,050.75x = 126,231,862.29
  5. Step 5: Solve for x
    x = 126,231,862.29/13,050.75
  6. Step 6: Final answer
    x = 9,672.38

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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.