Home / 13,793.26-20,686.34-6,390.48

Finding the Fourth Proportional to 13,793.26, 20,686.34 and 6,390.48

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Solution

The fourth proportional to 13,793.26, 20,686.34 and 6,390.48 is: 9,584.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,793.26 : 20,686.34 = 6,390.48 : x
  2. Step 2: Convert to fraction form
    13,793.26/20,686.34 = 6,390.48/x
  3. Step 3: Cross multiply
    13,793.26x = 20,686.34 × 6,390.48
  4. Step 4: Simplify right side
    13,793.26x = 132,195,642.04
  5. Step 5: Solve for x
    x = 132,195,642.04/13,793.26
  6. Step 6: Final answer
    x = 9,584.08

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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.