Home / 8,942.94-13,416.69-6,315.57

Finding the Fourth Proportional to 8,942.94, 13,416.69 and 6,315.57

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Solution

The fourth proportional to 8,942.94, 13,416.69 and 6,315.57 is: 9,474.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,942.94 : 13,416.69 = 6,315.57 : x
  2. Step 2: Convert to fraction form
    8,942.94/13,416.69 = 6,315.57/x
  3. Step 3: Cross multiply
    8,942.94x = 13,416.69 × 6,315.57
  4. Step 4: Simplify right side
    8,942.94x = 84,734,044.86
  5. Step 5: Solve for x
    x = 84,734,044.86/8,942.94
  6. Step 6: Final answer
    x = 9,474.97

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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.