Home / 13,033.20-17,996.17-12,038.12

Finding the Fourth Proportional to 13,033.20, 17,996.17 and 12,038.12

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Solution

The fourth proportional to 13,033.20, 17,996.17 and 12,038.12 is: 16,622.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,033.20 : 17,996.17 = 12,038.12 : x
  2. Step 2: Convert to fraction form
    13,033.20/17,996.17 = 12,038.12/x
  3. Step 3: Cross multiply
    13,033.20x = 17,996.17 × 12,038.12
  4. Step 4: Simplify right side
    13,033.20x = 216,640,054.00
  5. Step 5: Solve for x
    x = 216,640,054.00/13,033.20
  6. Step 6: Final answer
    x = 16,622.17

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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.