Home / 8,644.24-12,958.14-5,515.48

Finding the Fourth Proportional to 8,644.24, 12,958.14 and 5,515.48

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Solution

The fourth proportional to 8,644.24, 12,958.14 and 5,515.48 is: 8,267.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,644.24 : 12,958.14 = 5,515.48 : x
  2. Step 2: Convert to fraction form
    8,644.24/12,958.14 = 5,515.48/x
  3. Step 3: Cross multiply
    8,644.24x = 12,958.14 × 5,515.48
  4. Step 4: Simplify right side
    8,644.24x = 71,470,362.01
  5. Step 5: Solve for x
    x = 71,470,362.01/8,644.24
  6. Step 6: Final answer
    x = 8,267.98

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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.