Home / 22,105.04-30,505.68-12,033.90

Finding the Fourth Proportional to 22,105.04, 30,505.68 and 12,033.90

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Solution

The fourth proportional to 22,105.04, 30,505.68 and 12,033.90 is: 16,607.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,105.04 : 30,505.68 = 12,033.90 : x
  2. Step 2: Convert to fraction form
    22,105.04/30,505.68 = 12,033.90/x
  3. Step 3: Cross multiply
    22,105.04x = 30,505.68 × 12,033.90
  4. Step 4: Simplify right side
    22,105.04x = 367,102,302.55
  5. Step 5: Solve for x
    x = 367,102,302.55/22,105.04
  6. Step 6: Final answer
    x = 16,607.18

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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.