Home / 21,069.18-29,073.99-11,637

Finding the Fourth Proportional to 21,069.18, 29,073.99 and 11,637

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Solution

The fourth proportional to 21,069.18, 29,073.99 and 11,637 is: 16,058.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,069.18 : 29,073.99 = 11,637 : x
  2. Step 2: Convert to fraction form
    21,069.18/29,073.99 = 11,637/x
  3. Step 3: Cross multiply
    21,069.18x = 29,073.99 × 11,637
  4. Step 4: Simplify right side
    21,069.18x = 338,334,021.63
  5. Step 5: Solve for x
    x = 338,334,021.63/21,069.18
  6. Step 6: Final answer
    x = 16,058.24

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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.