Home / 13,707.54-20,594.16-8,786.79

Finding the Fourth Proportional to 13,707.54, 20,594.16 and 8,786.79

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Solution

The fourth proportional to 13,707.54, 20,594.16 and 8,786.79 is: 13,201.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,707.54 : 20,594.16 = 8,786.79 : x
  2. Step 2: Convert to fraction form
    13,707.54/20,594.16 = 8,786.79/x
  3. Step 3: Cross multiply
    13,707.54x = 20,594.16 × 8,786.79
  4. Step 4: Simplify right side
    13,707.54x = 180,956,559.15
  5. Step 5: Solve for x
    x = 180,956,559.15/13,707.54
  6. Step 6: Final answer
    x = 13,201.24

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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.