Home / 14,171.38-21,353.06-11,760.21

Finding the Fourth Proportional to 14,171.38, 21,353.06 and 11,760.21

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Solution

The fourth proportional to 14,171.38, 21,353.06 and 11,760.21 is: 17,719.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,171.38 : 21,353.06 = 11,760.21 : x
  2. Step 2: Convert to fraction form
    14,171.38/21,353.06 = 11,760.21/x
  3. Step 3: Cross multiply
    14,171.38x = 21,353.06 × 11,760.21
  4. Step 4: Simplify right side
    14,171.38x = 251,116,499.14
  5. Step 5: Solve for x
    x = 251,116,499.14/14,171.38
  6. Step 6: Final answer
    x = 17,719.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.