Home / 8,764.12-13,131.58-6,162.40

Finding the Fourth Proportional to 8,764.12, 13,131.58 and 6,162.40

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Solution

The fourth proportional to 8,764.12, 13,131.58 and 6,162.40 is: 9,233.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,764.12 : 13,131.58 = 6,162.40 : x
  2. Step 2: Convert to fraction form
    8,764.12/13,131.58 = 6,162.40/x
  3. Step 3: Cross multiply
    8,764.12x = 13,131.58 × 6,162.40
  4. Step 4: Simplify right side
    8,764.12x = 80,922,048.59
  5. Step 5: Solve for x
    x = 80,922,048.59/8,764.12
  6. Step 6: Final answer
    x = 9,233.33

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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.