Home / 8,940.24-12,337.38-5,163.35

Finding the Fourth Proportional to 8,940.24, 12,337.38 and 5,163.35

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Solution

The fourth proportional to 8,940.24, 12,337.38 and 5,163.35 is: 7,125.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,940.24 : 12,337.38 = 5,163.35 : x
  2. Step 2: Convert to fraction form
    8,940.24/12,337.38 = 5,163.35/x
  3. Step 3: Cross multiply
    8,940.24x = 12,337.38 × 5,163.35
  4. Step 4: Simplify right side
    8,940.24x = 63,702,149.34
  5. Step 5: Solve for x
    x = 63,702,149.34/8,940.24
  6. Step 6: Final answer
    x = 7,125.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.