Home / 21,244.89-29,317.97-11,813.25

Finding the Fourth Proportional to 21,244.89, 29,317.97 and 11,813.25

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Solution

The fourth proportional to 21,244.89, 29,317.97 and 11,813.25 is: 16,302.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,244.89 : 29,317.97 = 11,813.25 : x
  2. Step 2: Convert to fraction form
    21,244.89/29,317.97 = 11,813.25/x
  3. Step 3: Cross multiply
    21,244.89x = 29,317.97 × 11,813.25
  4. Step 4: Simplify right side
    21,244.89x = 346,340,538.64
  5. Step 5: Solve for x
    x = 346,340,538.64/21,244.89
  6. Step 6: Final answer
    x = 16,302.30

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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.