Home / 21,244.97-29,317.98-11,813.54

Finding the Fourth Proportional to 21,244.97, 29,317.98 and 11,813.54

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Solution

The fourth proportional to 21,244.97, 29,317.98 and 11,813.54 is: 16,302.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,244.97 : 29,317.98 = 11,813.54 : x
  2. Step 2: Convert to fraction form
    21,244.97/29,317.98 = 11,813.54/x
  3. Step 3: Cross multiply
    21,244.97x = 29,317.98 × 11,813.54
  4. Step 4: Simplify right side
    21,244.97x = 346,349,027.16
  5. Step 5: Solve for x
    x = 346,349,027.16/21,244.97
  6. Step 6: Final answer
    x = 16,302.63

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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.