Home / 21,484.24-29,648.57-11,924.75

Finding the Fourth Proportional to 21,484.24, 29,648.57 and 11,924.75

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Solution

The fourth proportional to 21,484.24, 29,648.57 and 11,924.75 is: 16,456.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,484.24 : 29,648.57 = 11,924.75 : x
  2. Step 2: Convert to fraction form
    21,484.24/29,648.57 = 11,924.75/x
  3. Step 3: Cross multiply
    21,484.24x = 29,648.57 × 11,924.75
  4. Step 4: Simplify right side
    21,484.24x = 353,551,699.91
  5. Step 5: Solve for x
    x = 353,551,699.91/21,484.24
  6. Step 6: Final answer
    x = 16,456.33

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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.