Home / 14,123.10-21,156.30-8,841.90

Finding the Fourth Proportional to 14,123.10, 21,156.30 and 8,841.90

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Solution

The fourth proportional to 14,123.10, 21,156.30 and 8,841.90 is: 13,245.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,123.10 : 21,156.30 = 8,841.90 : x
  2. Step 2: Convert to fraction form
    14,123.10/21,156.30 = 8,841.90/x
  3. Step 3: Cross multiply
    14,123.10x = 21,156.30 × 8,841.90
  4. Step 4: Simplify right side
    14,123.10x = 187,061,888.97
  5. Step 5: Solve for x
    x = 187,061,888.97/14,123.10
  6. Step 6: Final answer
    x = 13,245.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.