Home / 22,811.07-34,221.42-8,579.64

Finding the Fourth Proportional to 22,811.07, 34,221.42 and 8,579.64

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Solution

The fourth proportional to 22,811.07, 34,221.42 and 8,579.64 is: 12,871.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,811.07 : 34,221.42 = 8,579.64 : x
  2. Step 2: Convert to fraction form
    22,811.07/34,221.42 = 8,579.64/x
  3. Step 3: Cross multiply
    22,811.07x = 34,221.42 × 8,579.64
  4. Step 4: Simplify right side
    22,811.07x = 293,607,463.89
  5. Step 5: Solve for x
    x = 293,607,463.89/22,811.07
  6. Step 6: Final answer
    x = 12,871.27

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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.