Home / 21,195.72-29,248.74-11,764.26

Finding the Fourth Proportional to 21,195.72, 29,248.74 and 11,764.26

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Solution

The fourth proportional to 21,195.72, 29,248.74 and 11,764.26 is: 16,233.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,195.72 : 29,248.74 = 11,764.26 : x
  2. Step 2: Convert to fraction form
    21,195.72/29,248.74 = 11,764.26/x
  3. Step 3: Cross multiply
    21,195.72x = 29,248.74 × 11,764.26
  4. Step 4: Simplify right side
    21,195.72x = 344,089,782.03
  5. Step 5: Solve for x
    x = 344,089,782.03/21,195.72
  6. Step 6: Final answer
    x = 16,233.93

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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.