Home / 13,550.15-20,316.68-6,531.93

Finding the Fourth Proportional to 13,550.15, 20,316.68 and 6,531.93

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Solution

The fourth proportional to 13,550.15, 20,316.68 and 6,531.93 is: 9,793.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,550.15 : 20,316.68 = 6,531.93 : x
  2. Step 2: Convert to fraction form
    13,550.15/20,316.68 = 6,531.93/x
  3. Step 3: Cross multiply
    13,550.15x = 20,316.68 × 6,531.93
  4. Step 4: Simplify right side
    13,550.15x = 132,707,131.59
  5. Step 5: Solve for x
    x = 132,707,131.59/13,550.15
  6. Step 6: Final answer
    x = 9,793.78

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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.