Home / 14,171.52-21,252.96-11,391.60

Finding the Fourth Proportional to 14,171.52, 21,252.96 and 11,391.60

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Solution

The fourth proportional to 14,171.52, 21,252.96 and 11,391.60 is: 17,083.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,171.52 : 21,252.96 = 11,391.60 : x
  2. Step 2: Convert to fraction form
    14,171.52/21,252.96 = 11,391.60/x
  3. Step 3: Cross multiply
    14,171.52x = 21,252.96 × 11,391.60
  4. Step 4: Simplify right side
    14,171.52x = 242,105,219.14
  5. Step 5: Solve for x
    x = 242,105,219.14/14,171.52
  6. Step 6: Final answer
    x = 17,083.93

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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.