Home / 12,033.04-18,043.05-5,455.64

Finding the Fourth Proportional to 12,033.04, 18,043.05 and 5,455.64

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Solution

The fourth proportional to 12,033.04, 18,043.05 and 5,455.64 is: 8,180.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,033.04 : 18,043.05 = 5,455.64 : x
  2. Step 2: Convert to fraction form
    12,033.04/18,043.05 = 5,455.64/x
  3. Step 3: Cross multiply
    12,033.04x = 18,043.05 × 5,455.64
  4. Step 4: Simplify right side
    12,033.04x = 98,436,385.30
  5. Step 5: Solve for x
    x = 98,436,385.30/12,033.04
  6. Step 6: Final answer
    x = 8,180.51

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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.