Home / 21,324.46-29,418.24-12,366.77

Finding the Fourth Proportional to 21,324.46, 29,418.24 and 12,366.77

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Solution

The fourth proportional to 21,324.46, 29,418.24 and 12,366.77 is: 17,060.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,324.46 : 29,418.24 = 12,366.77 : x
  2. Step 2: Convert to fraction form
    21,324.46/29,418.24 = 12,366.77/x
  3. Step 3: Cross multiply
    21,324.46x = 29,418.24 × 12,366.77
  4. Step 4: Simplify right side
    21,324.46x = 363,808,635.06
  5. Step 5: Solve for x
    x = 363,808,635.06/21,324.46
  6. Step 6: Final answer
    x = 17,060.63

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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.