Home / 8,942.81-13,418.76-6,764.92

Finding the Fourth Proportional to 8,942.81, 13,418.76 and 6,764.92

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Solution

The fourth proportional to 8,942.81, 13,418.76 and 6,764.92 is: 10,150.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,942.81 : 13,418.76 = 6,764.92 : x
  2. Step 2: Convert to fraction form
    8,942.81/13,418.76 = 6,764.92/x
  3. Step 3: Cross multiply
    8,942.81x = 13,418.76 × 6,764.92
  4. Step 4: Simplify right side
    8,942.81x = 90,776,829.72
  5. Step 5: Solve for x
    x = 90,776,829.72/8,942.81
  6. Step 6: Final answer
    x = 10,150.82

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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.