Home / 21,324.64-29,427.32-11,764.52

Finding the Fourth Proportional to 21,324.64, 29,427.32 and 11,764.52

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Solution

The fourth proportional to 21,324.64, 29,427.32 and 11,764.52 is: 16,234.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,324.64 : 29,427.32 = 11,764.52 : x
  2. Step 2: Convert to fraction form
    21,324.64/29,427.32 = 11,764.52/x
  3. Step 3: Cross multiply
    21,324.64x = 29,427.32 × 11,764.52
  4. Step 4: Simplify right side
    21,324.64x = 346,198,294.69
  5. Step 5: Solve for x
    x = 346,198,294.69/21,324.64
  6. Step 6: Final answer
    x = 16,234.66

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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.