Home / 21,492.01-29,661.11-12,060.61

Finding the Fourth Proportional to 21,492.01, 29,661.11 and 12,060.61

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Solution

The fourth proportional to 21,492.01, 29,661.11 and 12,060.61 is: 16,644.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,492.01 : 29,661.11 = 12,060.61 : x
  2. Step 2: Convert to fraction form
    21,492.01/29,661.11 = 12,060.61/x
  3. Step 3: Cross multiply
    21,492.01x = 29,661.11 × 12,060.61
  4. Step 4: Simplify right side
    21,492.01x = 357,731,019.57
  5. Step 5: Solve for x
    x = 357,731,019.57/21,492.01
  6. Step 6: Final answer
    x = 16,644.84

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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.