Home / 15,446.04-21,315.61-8,372.46

Finding the Fourth Proportional to 15,446.04, 21,315.61 and 8,372.46

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Solution

The fourth proportional to 15,446.04, 21,315.61 and 8,372.46 is: 11,554.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,446.04 : 21,315.61 = 8,372.46 : x
  2. Step 2: Convert to fraction form
    15,446.04/21,315.61 = 8,372.46/x
  3. Step 3: Cross multiply
    15,446.04x = 21,315.61 × 8,372.46
  4. Step 4: Simplify right side
    15,446.04x = 178,464,135.40
  5. Step 5: Solve for x
    x = 178,464,135.40/15,446.04
  6. Step 6: Final answer
    x = 11,554.04

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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.