Home / 21,094.02-29,105.64-12,141.90

Finding the Fourth Proportional to 21,094.02, 29,105.64 and 12,141.90

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Solution

The fourth proportional to 21,094.02, 29,105.64 and 12,141.90 is: 16,753.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,094.02 : 29,105.64 = 12,141.90 : x
  2. Step 2: Convert to fraction form
    21,094.02/29,105.64 = 12,141.90/x
  3. Step 3: Cross multiply
    21,094.02x = 29,105.64 × 12,141.90
  4. Step 4: Simplify right side
    21,094.02x = 353,397,770.32
  5. Step 5: Solve for x
    x = 353,397,770.32/21,094.02
  6. Step 6: Final answer
    x = 16,753.46

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.