Home / 8,623.21-12,924.36-6,120.46

Finding the Fourth Proportional to 8,623.21, 12,924.36 and 6,120.46

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Solution

The fourth proportional to 8,623.21, 12,924.36 and 6,120.46 is: 9,173.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,623.21 : 12,924.36 = 6,120.46 : x
  2. Step 2: Convert to fraction form
    8,623.21/12,924.36 = 6,120.46/x
  3. Step 3: Cross multiply
    8,623.21x = 12,924.36 × 6,120.46
  4. Step 4: Simplify right side
    8,623.21x = 79,103,028.41
  5. Step 5: Solve for x
    x = 79,103,028.41/8,623.21
  6. Step 6: Final answer
    x = 9,173.27

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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.