Home / 21,464.97-29,595.92-13,908.54

Finding the Fourth Proportional to 21,464.97, 29,595.92 and 13,908.54

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Solution

The fourth proportional to 21,464.97, 29,595.92 and 13,908.54 is: 19,177.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,464.97 : 29,595.92 = 13,908.54 : x
  2. Step 2: Convert to fraction form
    21,464.97/29,595.92 = 13,908.54/x
  3. Step 3: Cross multiply
    21,464.97x = 29,595.92 × 13,908.54
  4. Step 4: Simplify right side
    21,464.97x = 411,636,058.99
  5. Step 5: Solve for x
    x = 411,636,058.99/21,464.97
  6. Step 6: Final answer
    x = 19,177.11

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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.