Home / 16,865.00-25,258.14-13,331.28

Finding the Fourth Proportional to 16,865.00, 25,258.14 and 13,331.28

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Solution

The fourth proportional to 16,865.00, 25,258.14 and 13,331.28 is: 19,965.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,865.00 : 25,258.14 = 13,331.28 : x
  2. Step 2: Convert to fraction form
    16,865.00/25,258.14 = 13,331.28/x
  3. Step 3: Cross multiply
    16,865.00x = 25,258.14 × 13,331.28
  4. Step 4: Simplify right side
    16,865.00x = 336,723,450.08
  5. Step 5: Solve for x
    x = 336,723,450.08/16,865.00
  6. Step 6: Final answer
    x = 19,965.82

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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.