Home / 21,393.17-29,522.23-11,832.74

Finding the Fourth Proportional to 21,393.17, 29,522.23 and 11,832.74

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Solution

The fourth proportional to 21,393.17, 29,522.23 and 11,832.74 is: 16,328.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,393.17 : 29,522.23 = 11,832.74 : x
  2. Step 2: Convert to fraction form
    21,393.17/29,522.23 = 11,832.74/x
  3. Step 3: Cross multiply
    21,393.17x = 29,522.23 × 11,832.74
  4. Step 4: Simplify right side
    21,393.17x = 349,328,694.62
  5. Step 5: Solve for x
    x = 349,328,694.62/21,393.17
  6. Step 6: Final answer
    x = 16,328.99

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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.