Home / 14,187.82-21,248.92-13,695.75

Finding the Fourth Proportional to 14,187.82, 21,248.92 and 13,695.75

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Solution

The fourth proportional to 14,187.82, 21,248.92 and 13,695.75 is: 20,511.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,187.82 : 21,248.92 = 13,695.75 : x
  2. Step 2: Convert to fraction form
    14,187.82/21,248.92 = 13,695.75/x
  3. Step 3: Cross multiply
    14,187.82x = 21,248.92 × 13,695.75
  4. Step 4: Simplify right side
    14,187.82x = 291,019,896.09
  5. Step 5: Solve for x
    x = 291,019,896.09/14,187.82
  6. Step 6: Final answer
    x = 20,511.95

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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.