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Finding the Fourth Proportional to 15,453.98, 23,182.78 and 4,920.31

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Solution

The fourth proportional to 15,453.98, 23,182.78 and 4,920.31 is: 7,381.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,453.98 : 23,182.78 = 4,920.31 : x
  2. Step 2: Convert to fraction form
    15,453.98/23,182.78 = 4,920.31/x
  3. Step 3: Cross multiply
    15,453.98x = 23,182.78 × 4,920.31
  4. Step 4: Simplify right side
    15,453.98x = 114,066,394.00
  5. Step 5: Solve for x
    x = 114,066,394.00/15,453.98
  6. Step 6: Final answer
    x = 7,381.04

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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.