Home / 21,293.94-29,376.99-14,127.24

Finding the Fourth Proportional to 21,293.94, 29,376.99 and 14,127.24

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Solution

The fourth proportional to 21,293.94, 29,376.99 and 14,127.24 is: 19,489.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,293.94 : 29,376.99 = 14,127.24 : x
  2. Step 2: Convert to fraction form
    21,293.94/29,376.99 = 14,127.24/x
  3. Step 3: Cross multiply
    21,293.94x = 29,376.99 × 14,127.24
  4. Step 4: Simplify right side
    21,293.94x = 415,015,788.21
  5. Step 5: Solve for x
    x = 415,015,788.21/21,293.94
  6. Step 6: Final answer
    x = 19,489.85

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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.