Home / 14,013.82-21,020.73-13,313.08

Finding the Fourth Proportional to 14,013.82, 21,020.73 and 13,313.08

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Solution

The fourth proportional to 14,013.82, 21,020.73 and 13,313.08 is: 19,969.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,013.82 : 21,020.73 = 13,313.08 : x
  2. Step 2: Convert to fraction form
    14,013.82/21,020.73 = 13,313.08/x
  3. Step 3: Cross multiply
    14,013.82x = 21,020.73 × 13,313.08
  4. Step 4: Simplify right side
    14,013.82x = 279,850,488.48
  5. Step 5: Solve for x
    x = 279,850,488.48/14,013.82
  6. Step 6: Final answer
    x = 19,969.61

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Similar ratio
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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.