Home / 22,185.60-33,266.88-13,845.12

Finding the Fourth Proportional to 22,185.60, 33,266.88 and 13,845.12

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Solution

The fourth proportional to 22,185.60, 33,266.88 and 13,845.12 is: 20,760.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,185.60 : 33,266.88 = 13,845.12 : x
  2. Step 2: Convert to fraction form
    22,185.60/33,266.88 = 13,845.12/x
  3. Step 3: Cross multiply
    22,185.60x = 33,266.88 × 13,845.12
  4. Step 4: Simplify right side
    22,185.60x = 460,583,945.63
  5. Step 5: Solve for x
    x = 460,583,945.63/22,185.60
  6. Step 6: Final answer
    x = 20,760.49

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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.