Home / 13,293.66-19,963.23-8,879.69

Finding the Fourth Proportional to 13,293.66, 19,963.23 and 8,879.69

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Solution

The fourth proportional to 13,293.66, 19,963.23 and 8,879.69 is: 13,334.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,293.66 : 19,963.23 = 8,879.69 : x
  2. Step 2: Convert to fraction form
    13,293.66/19,963.23 = 8,879.69/x
  3. Step 3: Cross multiply
    13,293.66x = 19,963.23 × 8,879.69
  4. Step 4: Simplify right side
    13,293.66x = 177,267,293.80
  5. Step 5: Solve for x
    x = 177,267,293.80/13,293.66
  6. Step 6: Final answer
    x = 13,334.72

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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.