Home / 21,194.72-29,248.44-11,763.08

Finding the Fourth Proportional to 21,194.72, 29,248.44 and 11,763.08

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Solution

The fourth proportional to 21,194.72, 29,248.44 and 11,763.08 is: 16,232.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,194.72 : 29,248.44 = 11,763.08 : x
  2. Step 2: Convert to fraction form
    21,194.72/29,248.44 = 11,763.08/x
  3. Step 3: Cross multiply
    21,194.72x = 29,248.44 × 11,763.08
  4. Step 4: Simplify right side
    21,194.72x = 344,051,739.60
  5. Step 5: Solve for x
    x = 344,051,739.60/21,194.72
  6. Step 6: Final answer
    x = 16,232.90

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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.