Home / 10,376.44-14,319.48-5,660.72

Finding the Fourth Proportional to 10,376.44, 14,319.48 and 5,660.72

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Solution

The fourth proportional to 10,376.44, 14,319.48 and 5,660.72 is: 7,811.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,376.44 : 14,319.48 = 5,660.72 : x
  2. Step 2: Convert to fraction form
    10,376.44/14,319.48 = 5,660.72/x
  3. Step 3: Cross multiply
    10,376.44x = 14,319.48 × 5,660.72
  4. Step 4: Simplify right side
    10,376.44x = 81,058,570.15
  5. Step 5: Solve for x
    x = 81,058,570.15/10,376.44
  6. Step 6: Final answer
    x = 7,811.79

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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.