Home / 21,394.34-29,521.62-11,832.93

Finding the Fourth Proportional to 21,394.34, 29,521.62 and 11,832.93

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Solution

The fourth proportional to 21,394.34, 29,521.62 and 11,832.93 is: 16,328.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,394.34 : 29,521.62 = 11,832.93 : x
  2. Step 2: Convert to fraction form
    21,394.34/29,521.62 = 11,832.93/x
  3. Step 3: Cross multiply
    21,394.34x = 29,521.62 × 11,832.93
  4. Step 4: Simplify right side
    21,394.34x = 349,327,262.95
  5. Step 5: Solve for x
    x = 349,327,262.95/21,394.34
  6. Step 6: Final answer
    x = 16,328.02

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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.