Home / 22,334.43-30,822.01-12,775.19

Finding the Fourth Proportional to 22,334.43, 30,822.01 and 12,775.19

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Solution

The fourth proportional to 22,334.43, 30,822.01 and 12,775.19 is: 17,630.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,334.43 : 30,822.01 = 12,775.19 : x
  2. Step 2: Convert to fraction form
    22,334.43/30,822.01 = 12,775.19/x
  3. Step 3: Cross multiply
    22,334.43x = 30,822.01 × 12,775.19
  4. Step 4: Simplify right side
    22,334.43x = 393,756,847.88
  5. Step 5: Solve for x
    x = 393,756,847.88/22,334.43
  6. Step 6: Final answer
    x = 17,630.03

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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.