Home / 16,160.58-22,296.24-13,171.28

Finding the Fourth Proportional to 16,160.58, 22,296.24 and 13,171.28

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Solution

The fourth proportional to 16,160.58, 22,296.24 and 13,171.28 is: 18,171.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,160.58 : 22,296.24 = 13,171.28 : x
  2. Step 2: Convert to fraction form
    16,160.58/22,296.24 = 13,171.28/x
  3. Step 3: Cross multiply
    16,160.58x = 22,296.24 × 13,171.28
  4. Step 4: Simplify right side
    16,160.58x = 293,669,908.51
  5. Step 5: Solve for x
    x = 293,669,908.51/16,160.58
  6. Step 6: Final answer
    x = 18,171.99

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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.